十五 海上通信
15.1 海上通信基本知识
[4001]When my ship arrived there，their ship ______.
A. has left already
B. left already
C. had left already
D. would left already
KEY: C
[4002]SèCURITè is to be used to announce ______.
A. a distress message
B. an urgency message
C. a safety message
D. a massage of SMCP
KEY: C
[4003]LAND-BASED AUTHORITY CONDUCTING AND CO-ORDINATING SEARCH AND RESCUE OPERATIONS IN A DESIGNATED AREA defines ______.
A. RCC
B. OSC
C. CSS
D. GPS
KEY: A
[4004]“How do you read?” “I read you with signal strength one”． ______.
A. poor
B. bad
C. fair
D. good
KEY: B
[4005]A message by flashing light consists of the call，the identity，the ending，and the ______.
A. reply
B. text
C. time
D. answer
KEY: B
[4006]A message by flashing light consists of the call，the text，the ending，and the ______.
A. identity
B. time of origin
C. reply
D. procedure code
KEY: A
[4007]A rigid replica of the International Code flag A may be shown by a vessel ______.
A. pulling a submarine cable
B. engaged in diving operations
C. engaged in underway replenishment
D. transferring explosives
KEY: B
[4008]A yellow signal，floating in the air from a parachute，about 300 feet above the water，indicates that a submarine ______.
A. will be coming to periscope depth
B. will be coming to the surface
C. is on the bottom in distress
D. is in distress and will try to surface
KEY: A
[4009]AMVER is a system which provides ______.
A. satellite communications
B. navigational information
C. weather information
D. position reporting service
KEY: A
[4010]Automatic identification systems (AIS) are expected to broadcast all of the following information EXCEPT ______.
A. Port of origin
B. Name of vessel
C. Course and speed over ground
D. Draft of vessel
KEY: A
[4011]Automatic identification systems (AIS) are expected to broadcast all of the following information EXCEPT ______.
A. navigation status
B. ship's heading
C. port of origin
D. time stamp
KEY: C
[4012]Automatic identification systems (AIS) are required to ______.
A. provide safety-related information automatically to shore stations，other vessels and aircraft
B. receive safety-related information automatically from similarly equipped vessels
C. exchange safety-related information with shore-based facilities
D. All of the above
KEY: D
[4013]By regulation，you MUST keep a record of the use of your radiotelephone for at least ______.
A. one month
B. four months
C. six months
D. one year
KEY: D
[4014]DO NOT，REPEAT，NOT OVER-TAKE means that you should ______.
A. overtake
B. not overtake
C. overtake or not
D. decide if you should overtake
KEY: B
[4015]Electrical wiring on all T-Boats must be ______.
A. concealed to prevent mechanical damage
B. concealed so the b
oat can be maintained more easily
C. protected from the weather
D. in an accessible place behind the ceiling
KEY: C
[4016]Free communication effect is in direct proportion to ______.
A. length and width of space
B. length of space only
C. width of space only
D. neither length nor width
KEY: A
[4017]PORT A BIT SLUGGISH means that port rudder ______.
A. answers very well
B. rudder answers all right
C. answers slow
D. answers fast
KEY: C
[4018]Routine radio communications should be no more than ______.
A. one minute
B. three minutes
C. five minutes
D. eight minutes
KEY: B
[4019]Shall we ______ wait at the roadstead till there is a free berth for us？
A. must
B. ought to
C. have to
D. never
KEY: C
[4020]She arrived at the anchorage last night and anchored ______ berth．
A. waiting
B. awaiting
C. awaiting for
D. waited
KEY: B
[4021]Ships are always ______ on water and they are easy to rust．
A. float
B. floating
C. floats
D. floated
KEY: B
[4022]Sorry to have kept you ______ for a long time．
A. waiting
B. wait
C. waited
D. to wait
KEY: A
[4023]Take tug's towing line to ______.
A. captain
B. capstan
C. capital
D. carpenter
KEY: B
[4024]Tell me ______，please．
A. which hatch will be loaded first
B. will which hatch be loaded first
C. will hatch of which be loaded first
D. first will which hatch be loaded
KEY: A
[4025]That ship anchored too close ______ my vessel．
A. in
B. to
C. on
D. at
KEY: B
[4026]That ship arrived there ______ 6 p．m．yesterday．
A. at
B. in
C. on
D. of
KEY: A
[4027]The agent has probably already handed over you the stowage plan，______ ？
A. isn't he
B. doesn't he
C. hasn't he
D. didn't he
KEY: C
[4028]The Agent promised to keep me ______ of how our business was going on．
A. to be informed
B. informed
C. on informing
D. informing
KEY: B
[4029]The date and time kept in the radiotelephone log shall commence at ______.
A. midnight
B. noon
C. beginning of the watch
D. any convenient time
KEY: A
[4030]The Departure Report，required by vessels participating in AMVER，must be sent ______.
A. as soon as practicable on leaving port
B. prior to departure
C. within 24 hours of departure
D. within 12 hours of departure
KEY: A
[4031]The following ______ is a standard phrase．
A. I may enter fairway.
B. I might enter fairway.
C. INTENTION. I will enter fairway.
D. I will probably enter fairway.
KEY: C
[4032]The following ______ is a standard phrase．
A. May I enter fairway?
B. Should I enter fairway?
C. Could I enter fairway?
D. QUESTION. Is it permitted to enter fairway?
KEY: D
[4033]The following ______ is a standard phrase．
A. You may enter fairway.
B. You should enter fairway.
C. ANSWER. It is permitted to enter fairway.
D. You cou
ld enter fairway.
KEY: C
[4034]The following ______ is a standard phrase．
A. You should anchor in anchorage B 3.
B. ADVICE. Anchor in anchorage B 3.
C. You could anchor in anchorage B 3.
D. You could，I think，anchor in anchorage B 3.
KEY: B
[4035]The light rhythm of Morse (A) is shown on ______.
A. preferred-channel buoys
B. starboard- or port-side buoys
C. special marks
D. safe water buoys
KEY: D
[4036]The range of a SSB transmission is MOST affected by ______.
A. atmospheric noise and radiated power
B. the frequency band selected and time of day or night
C. interference and position of the moon
D. radiated power and nearness to shore
KEY: B
[4037]The system will accept a harbor map which is incorrect，therefore the operator must {exercise caution} in harbor selection．
A. be considered
B. be prudent
C. be bold enough
D. be carelessness
KEY: B
[4038]The unit of duration of a dash in Morse Code is ______.
A. one and one-half times the length of a dot
B. twice the length of a dot
C. three times the length of a dot
D. four times the length of a dot
KEY: C
[4039]The Vessel Bridge-to-Bridge Radiotelephone Act applies to ______.
A. every towing vessel of 16 feet or over in length while navigating
B. every vessel of 50 GT and upward，carrying one or more persons for hire
C. all aircraft operating on the water
D. every power-driven vessel of 20 meters and upward while navigating
KEY: D
[4040]The Vessel Bridge-to-Bridge Radiotelephone Act applies to which towboat?
A. A 100 GT towboat，24 feet in length
B. A 90-foot towboat tied to the pier
C. A 60-foot towboat towing by pushing ahead
D. A 400 GT towboat anchored
KEY: C
[4041]To reduce the amount of catenary you may ______.
A. shorten the hawser or increase the tug's speed
B. lengthen the hawser or reduce the tug's speed
C. place your tug in irons
D. make a sharp turn
KEY: A
[4042]When communicating on the radiotelephone using plain English，what procedure word indicates the end of my transmission and that a response is necessary?
A. Out
B. Over
C. Roger
D. Wilco
KEY: B
[4043]When may the automatic identification system (AIS) be switched off?
A. At anytime as long as it is properly logged.
B. At the Master's professional judgment.
C. Only when the vessel is at anchor or in port.
D. Under no circumstance.
KEY: B
[4044]When should the emergency position-indicating radiobeacon be activated after abandoning a ship?
A. Immediately
B. After one hour
C. Only when another vessel is in sight
D. Only after sunset
KEY: A
[4045]Which information must automatic identification systems (AIS) automatically provide to appropriately equipped shore stations，vessels and aircraft?
A. Vessel's type
B. Vessel's course
C. Navigational status
D. All of the above
KEY: D
[4046]Which of the following statements is TRUE regarding
automatic identification systems (AIS)?
A. AIS is a short-range VHF-FM system that automatically broadcasts a vessel's position，course，speed and other safety related information to all those with similar equipment in the area.
B. AIS is a one-way centrally managed system that requires the local VTS to send commands to instruct each vessel to broadcast position，course，speed and other safety related information to all those with similar equipment in the area.
C. AIS is a global tracking system that relies upon INMARSAT C service to communicate vessel position，course，speed and other safety related information to all those with similar equipment in the area.
D. AIS is a short-range 3 cm X-band radar system that automatically sends a vessel's position，course，speed and other safety related information to all those with similar equipment within the area.
KEY: A
[4047]Which of the following statements is TRUE regarding automatic identification systems (AIS) ?
A. The master may，at his/her discretion，turn off the AIS if he/she believes that it may compromise the safety or security of the vessel.
B. Under no circumstances shall AIS be turned off while underway as this could endanger the vessel and those around her.
C. AIS is always required to be operating if the vessel is in or in the vicinity of a VTS area.
D. AIS is always required to be operating if the vessel is within 100 nautical miles of the coastline.
KEY: A
[4048]Which of the following statements is TRUE regarding automatic identification systems (AIS) ?
A. AIS may be used to make passing arrangements via ship-to-ship text messaging thus relieving a vessel operator from sounding whistle signals or making contact via radiotelephone.
B. AIS may be used to make passing arrangements via ship-to-ship text messaging but a vessel operator is still required to sound whistle signals unless the arrangement is made via radiotelephone.
C. AIS cannot be used to make passing arrangements because the system does not have the ability to communicate from ship-to-ship in this manner.
D. AIS cannot be used to make passing arrangements because the use of the ship-to-ship text messaging feature in this way is prohibited.
KEY: B
[4049]Which of the following statements is TRUE regarding automatic identification systems (AIS)?
A. AIS is a global tracking system that relies upon INMARSAT C service to communicate vessel position and other safety related information to similarly equipped vessels，aircraft and shore stations within the area.
B. AIS is a short-range 3 cm X-band radar system that automatically sends a vessel's position and other safety related information to similarly equipped vessels，aircraft and shore stations within the area.
C. AIS is a short-range VHF-FM system that automatically broadcasts a vessel's position and other safety related information frequently to similarly equipped vessels，aircraft and shore stations within th
e area.
D. AIS is a one-way centrally managed system that requires the local VTS to send commands to instruct each vessel to broadcast position and other safety related information to similarly equipped vessels，aircraft and shore stations within the area.
KEY: C
[4050]Which of the following statements is TRUE regarding automatic identification systems (AIS) ?
A. AIS cannot be used to make passing arrangements because the system is not capable of this type of ship-to-ship communications.
B. AIS cannot be used to make passing arrangements because the ship-to-ship text messaging feature is for emergency use only.
C. AIS can be used to make passing arrangements via ship-to-ship text messaging but a vessel operator is not relieved from the requirement to sound whistle signals or make arrangements via bridge-to-bridge radiotelephone.
D. AIS can be used to make passing arrangements via ship-to-ship text massaging thus relieving a vessel operator from making such arrangements via bridge-to-bridge radiotelephone or signaling intent to pass via whistle signals.
KEY: C
15.2 GMDSS
[4051]______ is the chain？
A. How
B. What
C. Why
D. How about
KEY: A
[4052]______ is the course to reach you？
A. What
B. How
C. Which
D. When
KEY: A
[4053]A check line is ______.
A. a safety line attached to a man working over the side
B. used to measure water depth
C. used to slow the headway of a barge
D. used to measure the overhead height of a bridge
KEY: C
[4054]A Class A EPIRB is NOT ______.
A. approved by the CCS
B. designed for float free，automatic activation
C. operated on 121.5/243 MHz
D. operated manually
KEY: D
[4055]A Class C EPIRB ______.
A. is primarily designed for vessels operating up to 50 miles offshore or on foreign waters
B. transmits a signal that can be detected by satellite
C. must be manually activated
D. operates in the medium and low frequency bands
KEY: C
[4056]A Class C EPIRB ______.
A. should be used on board vessels operating not more than 200 miles offshore
B. transmits an alerting signal on channel 16 followed by a homing signal on channel 15
C. is automatically activated when it floats free of a sinking vessel
D. transmits a swept tone signal on the aviation distress frequency
KEY: B
[4057]A Class S EPIRB is a ______.
A. submarine EPIRB
B. safety EPIRB
C. ship EPIRB
D. survival craft EPIRB
KEY: D
[4058]A major advantage of the NAVTEX system when compared to other systems is that ______.
A. the information can be received on an ordinary FM radio
B. warnings are printed out for reading when convenient
C. broadcasts are at scheduled times
D. a low frequency band is used for long distance transmission
KEY: B
[4059]A NAVAREA warning carries the following number; 1986/87 (11). Which statement is TRUE?
A. The warning was issued in 1986，the 87th sequentially numbered warning and broadcast 11 ti
mes.
B. This is warning number 1986 issued in 1987，and it affects sub-region 11.
C. This warning is valid in 1986 and 1987 and is the eleventh two-year warning.
D. The subject of this warning first appeared in 1986; this warning is in 1987 and is the eleventh on this topic.
KEY: B
[4060]A vessel operating outside of coastal waters must carry an automatically activated Emergency Position Indicating Radio Beacon (EPIRB) if she ______.
A. does not have berthing facilities
B. has berthing and galley facilities
C. is a workboat and her mother ship carries an EPIRB
D. None of the above are correct.
KEY: B
[4061]All self-propelled vessels on an international voyage must be equipped with how many Emergency Position Indicating Radiobeacons (EPIRB)?
A. One approved Class A EPIRB
B. Two approved Class A EPIRBs
C. One approved Class B EPIRBs
D. Two approved Class B EPIRBs
KEY: A
[4062]At sea，all required GMDSS equipment (other than survival craft equipment) must be proven operational by ______.
A. daily testing
B. either A or C
C. operational use of the equipment
D. testing at least every 48 hours
KEY: B
[4063]CATEGORY A EPIRB's transmit on frequencies that are monitored by ______.
A. orbiting satellites in space
B. commercial radio stations
C. private，commercial，and military aircraft
D. ordinary radio stations
KEY: A
[4064]Class A EPIRBs are required on ______.
A. self-propelled，inspected vessels
B. towing vessels
C. recreational vessels
D. uninspected passenger vessels
KEY: A
[4065]Class C EPIRBs are ______.
A. manually activated and operate on maritime (VHF) channels
B. automatically activated and operate on maritime (VHF) channels
C. manually operated and detected by satellite
D. automatically operated and detected by satellite
KEY: B
[4066]During an annual FCC inspection ______.
A. all required documents and publications may have to be produced
B. licensed GMDSS radio operators may be required to demonstrate equipment competencies
C. all required equipment must be fully operational
D. All of the above
KEY: D
[4067]Each Class A EPIRB shall be stowed in a manner which will permit ______.
A. easy access to its storage compartment
B. replacement of the battery without exposure to the weather
C. it to float free if the vessel sinks
D. it to remain attached to the vessel
KEY: C
[4068]Each EPIRB required on a ship shall be tested using the integrated test circuit and output indicator every ______.
A. week
B. two weeks
C. month
D. two months
KEY: C
[4069]For GMDSS，when may a compulsory vessel not be allowed to leave port?
A. When the vessel is in an overloaded condition
B. When the vessel has arranged for both duplication of equipment AND shore-based maintenance
C. When the vessel has replaced a required piece of GMDSS-related equipment but its performance has not been verified or logge
d
D. When the vessel is carrying only two licensed GMDSS Radio Operators and is capable of performing all required functions
KEY: C
[4070]For GMDSS，which statement concerning a compulsory vessel is FALSE?
A. A conditional or partial exemption may be granted，in exceptional circumstances，for a single voyage outside the sea area for which the vessel is equipped.
B. Once a compulsory vessel's GMDSS station has been fitted and inspected，the station must be inspected only once every five years.
C. All passenger vessels and all cargo vessels that are 300 Gross Tons or larger must comply.
D. Compulsory vessels must carry at least two licensed GMDSS Radio Operators.
KEY: B
[4071]How long must GMDSS Radio Logs be retained by the licensee when they relate to a distress situation or disaster?
A. 6 months
B. 1 year
C. 2 years
D. 3 years
KEY: D
[4072]How long must the GMDSS radio log be retained on board?
A. At least two years after the last entry
B. At least one year after the last entry
C. At least 90 days after the last entry
D. At least 30 days after the last entry
KEY: D
[4073]I have ______ you on my radar．
A. seen
B. sighted
C. watched
D. located
KEY: D
[4074]I have altered course to 245 degrees for ______.
A. identify
B. identifier
C. identity
D. identification
KEY: D
[4075]I have no choice ______ to put such remarks．
A. or
B. and
C. but
D. unless
KEY: C
[4076]If a GMDSS radio operator initiates a DSC distress transmission but does not insert a message，what happens?
A. The transmission is aborted and an alarm sounds to indicate this data must be provided by the operator.
B. The transmission is not initiated and "ERROR" is indicated on the display readout.
C. The transmission will be made with "default" information provided automatically.
D. The receiving station will poll the DSC unit of the vessel in distress to download the necessary information
KEY: C
[4077]If your vessel is equipped with a radiotelephone，what must also be aboard?
A. Certificate of Inspection
B. List of ship stations
C. Copy of ship to shore channels
D. Radio station license
KEY: D
[4078]On which vessels is GMDSS required?
A. All vessels capable of international voyages
B. Vessels operating outside of the range of VHF coastal radio stations
C. SOLAS Convention ships of 300 gross tonnage or more.
D. Coastal vessels of less than 300 gross tons
KEY: C
[4079]One method of reducing the length of radio transmissions without distorting the meaning of your words is by using ______.
A. slang
B. secret codes
C. procedure words
D. analogies
KEY: C
[4080]Our ship ______ with many modern navigational instruments．
A. equipped
B. is equipped
C. equips
D. has equipped
KEY: B
[4081]Proper GMDSS watchkeeping includes ______.
A. monitoring all required frequencies in the proper mode
B. reading all d
isplays and/or printouts after silencing an alarm
C. notifying the Master of any distress alerts
D. All of the above
KEY: D
[4082]Proper GMDSS watchkeeping includes ______.
A. understanding the GMDSS console's normal operational indicators
B. maintaining a proper GMDSS radio station log
C. responding to and comprehending alarms
D. All of the above
KEY: D
[4083]Survival craft EPIRBs (Class S) are ______.
A. permanently mounted in the survival craft
B. portable and stowed for carriage to the survival craft
C. permanently mounted on the bridge wings
D. portable and stowed in the emergency gear locker
KEY: B
[4084]The Class A EPIRB transmits a signal ______.
A. that follows the curvature of the earth
B. that can be picked up by SARSAT satellite
C. that activates an alarm on board nearby aircraft
D. to alert shore stations and then transmits a homing signal
KEY: B
[4085]The Consol navigation system，used in Russian and Northern European waters，can be used ______.
A. for precise navigation in coastal waters
B. by measuring the phase difference of the dots and dashes
C. as an aid to ocean navigation
D. if the vessel is fitted with a special Consol receiver
KEY: C
[4086]The difference between a class A and a class B EPIRB is that the class A EPIRB ______.
A. operates on both military and civilian aircraft distress frequencies
B. transmits both an alerting signal and a homing signal
C. must be the float free type and automatically activated
D. operates with a greater output of signal power
KEY: C
[4087]The Emergency Position Indicating Radiobeacon on a cargo vessel must be stowed ______.
A. in an inside passageway
B. in an approved bracket
C. so that it is accessible from the bridge of the vessel
D. so that it will float free if the vessel sinks
KEY: D
[4088]The maritime radio system consisting of a series of coast stations transmitting coastal warnings is called ______.
A. NAVTEX
B. HYDROLANT/HYDROPAC
C. NAVAREA
D. SAFESEA
KEY: A
[4089]The Master shall insure that the Emergency Position Indicating Radiobeacon (EPIRB) is ______.
A. secured inside the wheelhouse
B. tested annually
C. tested monthly
D. secured in the emergency locker
KEY: C
[4090]The principal advantage of NAVTEX radio warnings is that ______.
A. they can be used by mariners who do not know Morse code
B. only an ordinary FM radio is necessary to receive these warnings
C. information on a given topic is only broadcast at specified times
D. they cover a broad spectrum of the radio band allowing reception on almost any type of receiver
KEY: A
[4091]Under the International Code of Signals how are geographical locations such as New York City transmitted?
A. A commonly used abbreviation such as NYC is used.
B. The name is spelled out.
C. The geographical coordinates are used.
D. The radio station call sign for the nearest marine r
adio station is used.
KEY: B
[4092]VHF Radio is one of the very important navigational instruments on board，______ messages can be sent．
A. by which
B. through which
C. by that
D. through that
KEY: B
[4093]What are the conditions，under GMDSS，whereby a ship is NOT allowed to depart from any port?
A. The vessel is not capable of performing all required distress and safety functions.
B. The vessel is carrying more than the required number of qualified GMDSS radio operators.
C. The vessel has a temporary waiver of its radio license and Safety Certificate.
D. The vessel is not carrying a GMDSS radio maintainer，but has provided for shoreside maintenance plus duplication of equipment if required.
KEY: A
[4094]What are the vessel equipment and personnel requirements for GMDSS?
A. Two licensed GMDSS radio operators
B. Equipment carriage requirements
C. Distress alerting and response
D. All of the above
KEY: D
[4095]What does EPIRB stand for?
A. Emergency Position Indicating Radar Buoy
B. Electronic Pulse Indicating Radiobeacon
C. Emergency Position Indicating Radiobeacon
D. None of the above
KEY: C
[4096]What does the DSC control unit do if the GMDSS radio operator fails to insert updated information when initiating a DSC distress alert?
A. It will abort the transmission and set off an audible alarm that must be manually reset.
B. It will initiate the DSC distress alert but，as no information will be transmitted，rescue personnel will not be able to identify the vessel，its position or its situation.
C. It will initiate the DSC distress alert and default information will automatically be transmitted.
D. It will initiate the DSC distress alert，but any station receiving it will have to establish contact with the distressed vessel to determine its identity，position and situation.
KEY: C
[4097]What is a functional or carriage requirement for compulsory vessels?
A. A compulsory vessel must carry at least two licensed GMDSS Radio Operators.
B. A compulsory vessel must satisfy certain equipment carriage requirements that are determined by where the vessel sails.
C. A compulsory vessel must be able to transmit and respond to distress alerts.
D. All of the above
KEY: D
[4098]What is a GMDSS functional or carriage requirement for compulsory vessels?
A. A compulsory vessel must carry at least two (2) licensed GMDSS operators
B. A compulsory vessel must satisfy certain equipment carriage requirements that are determined by where the vessel sails.
C. A compulsory vessel must be able to transmit and respond to distress alerts.
D. All of the above
KEY: D
[4099]What is the action that a GMDSS Radio Operator should take when a DSC distress alert is received?
A. No action is necessary，as the DSC control unit will automatically switch to the NBDP follow-on communications frequency.
B. The operator should immediately set continuous watc
h on the radiotelephone frequency that is associated with the frequency band on which the distress alert was received.
C. The Operator should immediately set continuous watch on VHF channel 70.
D. The Operator should immediately set continuous watch on the NBDP frequency that is associated with the frequency band on which the distress alert was received.
KEY: B
[4100]What is the basic concept of GMDSS?
A. Search and rescue authorities ashore can be alerted to a distress situation.
B. Shipping in the immediate vicinity of a ship in distress will be rapidly alerted.
C. Shoreside authorities and vessels can assist in a coordinated SAR operation with minimum delay.
D. All of the above
KEY: D
15.3 SMCP
[4101]By plotting the analysis messages on weather charts，we are able to ______.
A. prevent any possible accident at sea
B. prepare a reasonable forecast of the wind and weather
C. help the mariner to fix a accurate ship's position
D. aid the salvage of a ship in peril
KEY: B
[4102]______ a beautiful ship it is!
A. How
B. What
C. Very
D. So
KEY: B
[4103]______ beautiful the ship is．
A. What
B. How much
C. Very
D. How
KEY: D
[4104]______ get your engine ready before six tomorrow morning．
A. You’d better
B. You would better
C. You at least
D. You at most
KEY: A
[4105]______ has the ship？
A. How much hatches
B. How many hatch
C. How much hatch
D. How many hatches
KEY: D
[4106]______ in this area is prohibited．
A. Fish
B. Fishing
C. Fisher
D. Fishery
KEY: B
[4107]______ is the draft of your ship at full load？
A. How many
B. How much
C. How high
D. What
KEY: D
[4108]______ is your draft？
A. What
B. How
C. Which
D. When
KEY: A
[4109]______ is your maximum draught，please？
A. How
B. What
C. Where
D. That
KEY: B
[4110]______ ready for mooring．
A. Do
B. Have
C. Make
D. Get
KEY: D
[4111]______ should you do first when heaving up the anchor.
A. Engage the wildcat
B. Release the brake
C. Release the pawl
D. Engage the motor
KEY: A
[4112]______ the morning from 0800 to 1200 Chief Officer is on duty．
A. On
B. In
C. At
D. During
KEY: B
[4113]______ the packing is the same，the lots are different in marks．
A. For
B. Since
C. Because
D. Although
KEY: D
[4114]______ the ship leaves at 1000 today，she can arrive there tomorrow．
A. When
B. How
C. If
D. Should
KEY: C
[4115]______ the time of collision，the 3rd officer was on the bridge．
A. At
B. On
C. Of
D. In
KEY: A
[4116]______ the whole the stowage is all right．
A. In
B. On
C. From
D. To
KEY: B
[4117]______ there danger of explosion?
A. Is
B. Has
C. If
D. Do
KEY: A
[4118]______ this the Chief Officer agreed not to put any remarks．
A. At
B. By
C. For
D. Upon
KEY: B
[4119]______
using the derrick at once，the gooseneck is bent．
A. Continue
B. Start
C. Commence
D. Stop
KEY: D
[4120]______ view of the fact，I wish to submit this report．
A. In
B. On
C. To
D. For
KEY: A
[4121]______ will reduce the visibility．
A. dust
B. sea water
C. land sand
D. wind
KEY: A
[4122]______ will the discharging operations take？
A. How long
B. How length
C. How many times
D. How many shift
KEY: A
[4123]A MARK OR POSITION AT WHICH A VESSEL IS REQUIRED TO REPORT TO ESTABLISH ITS POSITION defines ______.
A. VTS point
B. Way point
C. Reference point
D. Establishment point
KEY: B
[4124]A METHOD OF TOWING VESSELS THROUGH POLAR ICE BY MEANS OF ICEBREAKING TUGS WITH A SPECIAL STERN NOTCH SUITED TO RECEIVE AND HOLD THE BOW OF THE VESSEL TO BE TOWED defines ______.
A. Towing operations
B. Rigid coupled towing
C. Close coupled towing
D. Hard coupled towing
KEY: C
[4125]A SEA ROOM TO BE KEPT FOR SAFETY AROUND A VESSEL，ROCK，PLATFORM，ETC.，OR THE PLACE ASSIGNED TO A VESSEL WHEN ANCHORED OR LYING ALONGSIDE A PIER，ETC means ______.
A. Port
B. Commercial area
C. Berth
D. Roadstead
KEY: C
[4126]AVAST means ______.
A. let go
B. pull
C. slack off
D. stop
KEY: D
[4127]Can you ______ survivors?
A. take out
B. pick up
C. stretch out
D. draw out
KEY: B
[4128]CAN YOU BEACH means ______.
A. can you go to the beach
B. can you run the vessel upon a beach to prevent its sinking in deep water
C. can you handle the vessel along the beach
D. can berth along the beach
KEY: B
[4129]Can you cut down the shortlanded cargo ______ half？
A. at
B. in
C. by
D. with
KEY: B
[4130]Can you explain it ______.
A. in detail
B. in details
C. by detail
D. by details
KEY: A
[4131]Can you make ______ in position 123°.32′N，10°.13′E ?
A. bona fide
B. rendez-vous
C. prima facie
D. action in personam
KEY: B
[4132]Can you offset the shortage ______ the sweepings？
A. by
B. for
C. with
D. against
KEY: C
[4133]Can you sign the Mate’s Receipt ______ batches？
A. on
B. by
C. in
D. with
KEY: C
[4134]Captain said that very clearly so that nobody was in any ______ about what was meant．
A. doubt
B. question
C. wonder
D. consideration
KEY: A
[4135]Get everything ready ______ sailing．
A. on
B. ahead of
C. prior to
D. in front of
KEY: C
[4136]I am proceeding ______ reduced speed．
A. at
B. with
C. on
D. within
KEY: A
[4137]I am proceeding at a slackened speed． Here SLACKENED stands for ______.
A. reduced
B. increased
C. normal
D. half
KEY: A
[4138]I am ready ______ your message．
A. to receive
B. receiving
C. received
D. receive
KEY: A
[4139]I can not ______ you on my radar．
A. locate
B. look for
C. watch
D. look out
KEY: A
[4140]I HAVE DA
NGEROUS LIST means ______.
A. I have some dangerous cargo on board
B. My cargo is dangerous
C. My vessel is inclined
D. My vessel has not been trimmed properly
KEY: C
[4141]I read you ______ single strength 5．
A. in
B. on
C. with
D. by
KEY: C
[4142]I read you ______.
A. good
B. gooder
C. goodly
D. goodest
KEY: A
[4143]I read you with signal strength ______.
A. barely perceptible
B. bare perceptible
C. barely perceptibly
D. bare perceptibly
KEY: A
[4144]I will pass ______ Utopia．
A. North of
B. by North of
C. in North of
D. from North of
KEY: A
[4145]I will wait for Utopia ______ before getting underway．
A. clear
B. to clear
C. clearing
D. cleared
KEY: B
[4146]Ice situation expected to ______ in your position．
A. deteriorate
B. bad
C. heavy
D. serous
KEY: A
[4147]It is dangerous to ______ in present position．
A. remain
B. remaining
C. be remaining
D. be remained
KEY: A
[4148]My ship ______ heavy weather during this voyage．
A. received
B. saw
C. met
D. encountered
KEY: D
[4149]My ship {met with} heavy weather during this voyage．
A. received
B. saw
C. accepted
D. encountered
KEY: D
[4150]My ship met ______ heavy weather in the Indian Ocean．
A. against
B. with
C. for
D. on
KEY: B
15.4 VHF通信
[4151]Our company is a professional one，and you may rely ______ it．
A. on
B. in
C. at
D. up
KEY: A
[4152]When the changing of a VHF channel / frequency is accepted，say ______.
A. I am going to change to VHF channel.
B. I am certainly going to change to VHF channel.
C. Changing to VHF channel.
D. VHF channel. has been changed
KEY: C
[4153]When it is accepted to remain on the frequency indicated，you should say ______.
A. Standing by on VHF frequency.
B. Coming to VHF frequency.
C. VHF frequency. is the best place for you to stay by
D. remaining in frequency. and do not change
KEY: A
[4154]There are salvage operations ______ position 120．0N 12．5E．
A. on
B. at
C. in
D. above
KEY: C
[4155]International distress signal in VHF calling for help is ______.
A. Help，Help，Help
B. Mayday，Mayday，Mayday
C. Save，Save，Save
D. Rescue，Rescue，Rescue
KEY: B
[4156]______ tankers over 100 meters long must not proceed beyond Dongbei Buoy．
A. Loading
B. Load
C. Lade
D. Laden
KEY: D
[4157]______ the captain said is reasonable．
A. That
B. It
C. Which
D. What
KEY: D
[4158]______ the jumbo everything is ready for loading．
A. Except
B. Excepting
C. Except for
D. Except that
KEY: A
[4159]______ time will the pilot be available？
A. What
B. When
C. At what
D. At when
KEY: A
[4160]______ Two degree on starboard.
A. What rudder？
B. How heading？
C. Are you on your course？
D. How answer？
KEY: A
[4161]____
__ will be broadcast every one hour on VHF Channel 6．
A. VHF News
B. Channel Rules
C. Visibility Time
D. Navigational Warnings
KEY: D
[4162]______ will take three days to load the cargo．
A. That
B. This
C. It
D. What
KEY: C
[4163]______ Yokohama，We'll also call at some other Japanese ports．
A. Beside
B. Besides
C. Except
D. Excepting
KEY: B
[4164]______ your latest tropical storm warning information？
A. What is
B. How is
C. What are
D. How are
KEY: A
[4165]______ your present speed？
A. How is
B. How are
C. What is
D. What are
KEY: C
[4166]______，the cargo plan is not well done．
A. Frank speaked
B. Frankly to speak
C. Frankly spoken
D. Frankly speaking
KEY: D
[4167]______，you can't finish discharging tomorrow！
A. What pity
B. What a pity
C. What the pity
D. What pities
KEY: B
[4168]{Heave up} both anchors．
A. drag
B. dredge
C. weigh
D. lie
KEY: C
[4169]A call between any two ship stations on an intership working frequency shall have a maximum duration of ______.
A. 2 minutes
B. 3 minutes
C. 4 minutes
D. 5 minutes
KEY: B
[4170]A mark or place at which a vessel comes under obligatory entry，transit，or escort procedure is know as ______.
A. Way point
B. Receiving point
C. Reporting point
D. Closest Point
KEY: B
[4171]All VHF marine band radios operate in the simplex mode，which means that ______.
A. only one person may talk at a time
B. only two persons may talk at the same time
C. the radio only transmits
D. the radio only receives
KEY: A
[4172]Channel 13 (156.65 MHz)，the designated bridge-to-bridge channel，may NOT be used to ______.
A. exchange navigational information between vessels
B. exchange navigational information between a vessel and a shore station
C. conduct necessary tests
D. exchange operating schedules with company dispatcher
KEY: D
[4173]How ______ the cargo at loading port？
A. about
B. in
C. with
D. from
KEY: A
[4174]How should the letter O be pronounced when spoken on the radiotelephone?
A. OCK TOW BER
B. O RI AN
C. OSS CAH
D. OA KAM
KEY: C
[4175]I am ready ______ tow line．
A. cast
B. to cast of
C. cast off
D. to cast off
KEY: D
[4176]I have been instructed that on my voyage ______，I shall call at Maderra to pick up some cargo．
A. home
B. family
C. China
D. returning
KEY: A
[4177]I’d like to know something about the cargo condition at the loading port ______ detail．
A. at
B. by
C. in
D. on
KEY: C
[4178]If it ______ fine tomorrow，we shall start unloading．
A. to be
B. is
C. will be
D. has been
KEY: B
[4179]If you know that the vessel you are about to call on the VHF radio maintains a radio watch on both the working and the calling frequencies，which frequency should you call on?
A. Calling frequency
B
. Distress frequency
C. Urgency frequency
D. Working frequency
KEY: D
[4180]My ship ______ that port next month．
A. calls at
B. has called at
C. call at
D. will call at
KEY: D
[4181]One hour before arrival at Elbe 1 light vessel，masters are advised to contact the pilot boat by ______.
A. telephone
B. telegraph
C. telex
D. VHF
KEY: D
[4182]Pilot Station，this is Chinese ship Jinsha ______.Over.
A. calls
B. called
C. calling
D. call
KEY: C
[4183]Please ______ all the lines fore and aft，the vessel is just in her position of the berth now．
A. pay out
B. make fast
C. shorten
D. hold on
KEY: B
[4184]PUBLIC ADDRESS SYSTEM: LOUDSPEAKERS IN THE VESSEL'S CABINS，MESS ROOMS，ETC.，AND ON DECK VIA WHICH IMPORTANT INFORMATION CAN BE BROADCAST FROM A CENTRAL POINT，MOSTLY FROM THE NAVIGATION BRIDGE defines ______.
A. PP-system
B. PA-system
C. AP-system
D. AA-system
KEY: B
[4185]Should that kind of weather ______，the two ships would touch each other．
A. persist
B. persists
C. to persist
D. persisted
KEY: A
[4186]Some goods are missing ______ terrible weather．
A. due
B. because of
C. because
D. since
KEY: B
[4187]The expression STAND-BY ENGINE means： ______.
A. to get the engine ready
B. to respond to the engine
C. to maneuver the engine
D. to change the engine
KEY: A
[4188]The generators on your rig have shut down，leaving you without navigation lights. Which emergency signal would you transmit over the VHF radio to alert vessels in the area of your predicament?
A. Mayday，Mayday，Mayday
B. Pan，Pan，Pan
C. Security，Security，Security
D. Lights out，Lights out，Lights out
KEY: C
[4189]The height of a VHF radio antenna is more important than the power output wattage of the radio because ______.
A. VHF communications are basically line of sight
B. the air is more dense the higher you go
C. salt water is a poor conductor of sound
D. sea water absorbs the radiated energy
KEY: A
[4190]The present voyage of my ship began at the port of Shanghai after loading 8 000 tons of Cargo on board and ended after discharging the Cargo at the port of Hong Kong，which was ______.
A. the port of destination．
B. the next port of call．
C. the port of arrival
D. the last port of call
KEY: A
[4191]The space in Hatch No．4 tweendeck is too ______.
A. near
B. short
C. close
D. small
KEY: D
[4192]The weather is often ______ in a high-pressure area．
A. fine
B. cloudy
C. rainy
D. windy
KEY: A
[4193]There is a ______ mine in position 50°N，30°W．
A. drifting
B. drifted
C. drift
D. draft
KEY: A
[4194]There is a drifting mine ______ in position 21 degrees 31 minutes North 124 degrees 20 minutes East．
A. report
B. reports
C. reported
D. reporting
KEY: C
[4195]There is a VHF set ______ the front of the w
heelhouse．
A. at
B. on
C. of
D. in
KEY: D
[4196]These vessels are all {sailing} for Shanghai．
A. arriving
B. bound
C. loading
D. discharging
KEY: B
[4197]Vessel on fire is ______ position of 123°.32′N，10°.13′E．
A. on
B. in
C. at
D. of
KEY: B
[4198]Vessels wishing to communicate with the Port Health Officer should do ______ on VHF Channel 14．
A. so
B. that
C. this
D. same
KEY: A
[4199]What does the abbreviation VHF stand for？ ______.
A. Vessel's Hoisting Flag．
B. Very High Safety．
C. Vessel's Homing Frequency．
D. Very High Frequency
KEY: D
[4200]What is meant by veering the anchor chain?
A. Bringing the anchor to short stay
B. Heaving in all the chain
C. Locking the windlass to prevent more chain from running out
D. Paying out more chain
KEY: D
15.5 遇险通信
[4201]You can indicate that your vessel is in distress by ______.
A. displaying a large red flag
B. displaying three black balls in a vertical line
C. sounding four or more short rapid blasts on the whistle
D. continuously sounding the fog whistle
KEY: D
[4202]TO EVACUATE A VESSEL FROM CREW AND PASSENGERS FOLLOWING A DISTRESS means ______.
A. Abandon vessel
B. Adrift
C. Beach to
D. Assembly station
KEY: A
[4203]A distress signal ______.
A. consists of 5 or more short blasts of the fog signal apparatus
B. consists of the raising and lowering of a large white flag
C. may be used separately or with other distress signals
D. is used to indicate doubt about another vessel's intentions
KEY: C
[4204]A distress signal ______.
A. consists of 5 or more short blasts of the fog signal apparatus
B. consists of the raising and lowering of a large white flag
C. may be used individually or in conjunction with other distress signals
D. is used to indicate doubt about another vessel's intentions
KEY: C
[4205]A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating ______.
A. danger，stay away
B. all is clear，it is safe to pass
C. all is clear，it is safe to approach
D. a distress signal
KEY: D
[4206]A person who sees someone fall overboard should ______.
A. immediately jump in the water to assist the individual
B. go to the bridge for the distress flares
C. run to the radio room to send an emergency message
D. call for help and keep the individual in sight
KEY: D
[4207]A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the ______.
A. distress position
B. spoken words "Mayday，Mayday，Mayday"
C. ship's name
D. ship's call letters
KEY: B
[4208]A vessel sounding a fog signal of one short，one prolonged，and one short blast is indicating that the vessel is ______.
A. fishing
B. in distress
C. at anchor
D. not under command
KEY: C
[4209]A vessel，which does
not normally engage in towing operations，is towing a vessel in distress. She ______.
A. need not show the lights for a vessel engaged in towing，if it is impractical to do so
B. may show the lights for a vessel not under command
C. must show a yellow light above the stern light
D. must show the lights for a vessel towing
KEY: A
[4210]According to the "Vessel Bridge-to-Bridge Radiotelephone Act"，your radiotelephone log must contain ______.
A. a record of all routine calls
B. a record of your transmissions only
C. the home address of the vessel's Master or owner
D. a summary of all distress calls and messages
KEY: D
[4211]All of the following are distress signals under the Rules EXCEPT ______.
A. International Code Signal "AA"
B. orange-colored smoke
C. red flares
D. the repeated raising and lowering of outstretched arms
KEY: A
[4212]All of the following are recognized distress signals under the Navigation Rules EXCEPT ______.
A. a green star signal
B. orange-colored smoke
C. red flares
D. the repeated raising and lowering of outstretched arms
KEY: A
[4213]At night，if you see a vessel ahead displaying the lights shown you should ______.
A. provide assistance as the vessel is in distress
B. stay clear as the vessel is transferring dangerous cargo
C. stay clear as the vessel is fishing
D. change course to the right as the vessel is crossing your bow
KEY: C
[4214]Distress flares and smoke signals are not required on vessels operating on short runs. A "short run" is limited to ______. (small passenger vessel regulation)
A. water of less than 20 feet in depth
B. where land is always in sight
C. no more than 5 miles
D. about 30 minutes away from the dock
KEY: D
[4215]Distress flares and smoke signals for small passenger vessels ______.
A. are not required aboard vessels on runs of less than 30 minutes duration
B. must be Coast Guard approved and stowed in a portable，watertight container
C. must be marked with an expiration date not more than 42 months from the date of manufacture
D. All of the above
KEY: D
[4216]Distress signals may be ______.
A. red flares
B. smoke signals
C. sound signals
D. Any of the above
KEY: D
[4217]How is "radio silence" imposed?
A. By the On Scene Coordinator (OSC)
B. By the Coast Earth Station (CES) controlling the distress communications on that frequency
C. It is imposed by the Public Correspondence Station (PCS) controlling the distress communications on that frequency or channel
D. It is imposed by the High Seas Service (HSS) controlling the distress communications on that frequency or channel
KEY: A
[4218]If you are transmitting a distress message by radiotelephone you should ______.
A. use English language
B. always use the International Code
C. preface it by the word "Interco"
D. follow the transmission with the radio alarm signal
KEY: A
[4219]If you log
a distress message，it must include the ______.
A. sea state
B. names of witnesses
C. time of its occurrence
D. wind direction and velocity
KEY: C
[4220]If your vessel is underway in fog and you hear one prolonged and three short blasts，this indicates a ______.
A. vessel not under command
B. sailing vessel
C. vessel in distress
D. vessel being towed
KEY: D
[4221]Several merchant ships are arriving at the scene of a distress incident. One of the them must assume the duties of the Coordinator Surface Search (CSS). Which of the following statements is TRUE?
A. CSS duties are always assumed by passenger vessels，dry cargo vessels，or tankers in that order of precedence.
B. The CSS must be established by mutual agreement between the ships concerned.
C. A tank vessel should never be assigned CSS duties unless only tank vessels are present.
D. The first vessel to arrive at the distress incident is designated as the CSS.
KEY: B
[4222]The distress message of a ship should include considerable information which might facilitate the rescue. This information should ______.
A. ALWAYS be included in the initial distress message
B. be sent to a Coast Guard station FIRST
C. be transmitted as a series of short messages，if time allows
D. include the vessel's draft
KEY: C
[4223]The Navigation Rules state that a vessel shall be operated at a safe speed at all times so that she can be stopped within ______.
A. the distance of visibility
B. 1/2 the distance of visibility
C. a distance appropriate to the existing circumstances and conditions
D. the distance that it would require for the propeller to go from full ahead to full astern
KEY: C
[4224]The regulations require that inspected vessels on an international voyage，other than small passenger vessels，must carry which of the following distress signals on or near the navigating bridge?
A. 12 hand red flares
B. 12 rocket parachute flares
C. 12 hand combination flares and orange smoke signals
D. 6 hand red flares，and 6 hand orange smoke signals
KEY: B
[4225]The service life of distress signals must be not more than ______.
A. forty two months from the date of manufacture
B. thirty six months from the date of the last inspection
C. twenty four months from the date of approval
D. twelve months from the date of purchase
KEY: A
[4226]The signal to guide vessels in distress，which indicates，"This is the best place to land" is the ______.
A. horizontal motion of a white flag
B. letter K in Morse code given by light
C. code flag S as a hoist
D. firing of a white star signal
KEY: B
[4227]Three short blasts of the whistle means ______.
A. danger
B. I am in distress
C. the vessel is not under command (broken down)
D. I am operating astern propulsion
KEY: D
[4228]Upon receipt of a distress message，a merchant vessel is bound to proceed to the scene of the distress. Under wh
ich of the following cases would this NOT be true?
A. The vessel would arrive at the distress scene more than 36 hours after the receipt of the initial distress message.
B. There are vessels closer to the distress scene that are proceeding to assist.
C. The Master of the vessel in distress has requisitioned another vessel，and that vessel has accepted the requisition.
D. You are on a tank vessel and the distress involves a major fire on board the other vessel.
KEY: C
[4229]Wat is NOT required in the radiotelephone log?
A. Distress and alarm signals transmitted or intercepted
B. Times of beginning and end of watch period
C. Routine navigational traffic
D. Daily statement about the condition of the required radiotelephone equipment
KEY: C
[4230]What is meant by the term "radio silence"?
A. Stations not directly involved with the on-going distress communications may not transmit on the distress frequency or channel
B. Stations remaining off the air to safeguard proprietary information
C. Two three-minute silent periods，at 15 and 45 minutes after the hour，that provide a transmitting "window" for distressed vessels to transmit distress alerts using J3E
D. Communications on a distress frequency or channel is banned for 24 hours following the cessation of the distress traffic
KEY: A
[4231]What is NOT a distress signal?
A. Red flares or red rockets
B. Continuous sounding of fog signaling apparatus
C. International Code Flags "November" and "Charlie"
D. Basket hanging in the rigging
KEY: D
[4232]What is the calling and distress frequency on a single side band (SSB) marine radiotelephone?
A. 1492 kHz
B. 1892 kHz
C. 2082 kHz
D. 2182 kHz
KEY: D
[4233]What is the fundamental purpose for imposing radio silence?
A. To ensure that interference to proprietary communications is minimized
B. To ensure that only voice communications can be effected on the distress frequency or channel
C. To ensure that a distressed vessel will have a "window" twice each hour for transmitting routine messages
D. To ensure that interference on a particular frequency or channel to communications concerning emergency traffic is minimized
KEY: D
[4234]When a vessel signals her distress by means of a gun or other explosive signal，the firing should be at intervals of approximately ______.
A. 10 minutes
B. 1 minute
C. 1 hour
D. 3 minutes
KEY: B
[4235]When can routine communications be resumed on a frequency or channel on which radio silence has been imposed?
A. After determining that the frequency or channel appears to be no longer in use
B. After determining that geographic distance from the distress situation will prohibit any other signal from interfering with emergency communications
C. After the Rescue Coordination Center transmits a message on the frequency or channel being used for emergency communications stating that such traffic has concluded
D. Routin
e communications can resume if，in the Master's opinion，communications on that frequency or channel will not interfere with emergency communications.
KEY: C
[4236]When can routine communications be resumed when radio silence has been imposed?
A. After determining that the frequency or channel appears to be no longer in use
B. After determining that geographic distance from the distress situation will prohibit any other signal from interfering with emergency communications
C. Routine communications can resume after the Rescue Coordination Center transmits a message on the frequency or channel being used for emergency communications stating that such traffic has concluded.
D. If，in the Master's opinion，communications on that frequency will interfere with emergency communications
KEY: C
[4237]When sending a DSC call，the vessel's ______.
A. position will automatically be sent
B. position will only be sent if the vessel is making a distress call
C. MMSI will indicate its ocean region
D. None of the above
KEY: B
[4238]When should distress flares and rockets be used?
A. Immediately upon abandoning the vessel
B. Only when there is a chance of their being seen by a rescue vessel
C. At one hour intervals
D. At half hour intervals
KEY: B
[4239]When you are firing a pyrotechnic distress signal，it should be aimed at ______.
A. straight overhead
B. at the vessel whose attention you are trying to get
C. into the wind
D. about 60 degrees above the horizon
KEY: D
[4240]Which action should you take after sending a false distress alert on VHF?
A. Send a DSC cancellation message on Ch-70.
B. Make a voice announcement to cancel the alert on Ch-16.
C. Make a voice announcement to cancel the alert on Ch-13.
D. Make a voice announcement to cancel the alert on Ch-22A.
KEY: B
[4241]Which categories of NAVTEX messages may not be selectively rejected through receiver programming?
A. Navigational warnings
B. Weather warnings
C. SAR and distress alert information
D. All of the above
KEY: D
[4242]Which condition represents the appropriate time for setting off distress flares and rockets?
A. Only when there is a chance of their being seen by rescue vessels
B. At half hour intervals
C. At one hour intervals
D. Immediately upon abandoning the vessel
KEY: A
[4243]Which condition represents the appropriate time for setting off distress flares and rockets?
A. At one hour intervals
B. At half hour intervals
C. Only when there is a chance of their being seen by rescue vessels
D. Immediately upon abandoning the vessel
KEY: C
[4244]Which EPIRB transmits a distress alert that is received and relayed by an INMARSAT satellite?
A. Class A EPIRBs
B. Class B EPIRBs
C. L-Band EPIRBs
D. Category I EPIRBs
KEY: C
[4245]Which is a distress signal?
A. A triangular flag above or below a ball
B. The International Code Signal of distress i
ndicated by "JV"
C. A green smoke signal
D. Flames on the vessel as from a burning tar barrel
KEY: D
[4246]Which is NOT a distress signal?
A. A continuous sounding with any fog signal apparatus
B. A signal sent by radiotelephone consisting of the spoken word "Mayday"
C. An International Code Signal of N.C.
D. The firing of green star rockets or shells
KEY: D
[4247]Which of the following statements about transmitting distress messages by radiotelephone is INCORRECT?
A. If no answer is received on the designated distress frequencies，repeat the distress call on any frequency available.
B. Channel 16 (156.8) may be used for distress messages.
C. It is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds duration.
D. Distress messages should first be transmitted on 2182 kHz.
KEY: C
[4248]Which of the following statements about transmitting distress messages by radiotelephone is INCORRECT?
A. Distress messages should first be transmitted on 2182 kHz.
B. Channel 16 (156.8 MHz) may be used for distress messages.
C. If no answer is received on the designated distress frequencies，repeat the distress call on any frequency available.
D. It is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds duration.
KEY: D
[4249]Which signal is detected as originating from a SART?
A. The Morse code distress series S-O-S repeated 3 times followed by DE and the vessel's call sign
B. A line of blip code on a radar screen outward from the SART's position along its line of bearing
C. A line of blip code on a radar screen inward from the SART's position to its own ship along its line of bearing
D. None of these
KEY: B
[4250]Which signal is recognized as a distress signal?
A. Directing the beam of a searchlight at another vessel
B. A smoke signal giving off orange colored smoke
C. A whistle signal of one prolonged and three short blasts
D. International Code Signal "PAN" spoken over the radiotelephone
KEY: B
15.6 紧急通信
[4251]You are ______ danger．
A. run in
B. running into
C. run into
D. running in
KEY: B
[4252]A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating ______.
A. danger，stay away
B. all is clear，it is safe to pass
C. the vessel is anchored
D. a distress signal
KEY: D
[4253]Is extra power available ______ emergency while maneuvering？
A. for
B. in
C. during
D. to
KEY: A
[4254]PAN-PAN repeated three times over the radiotelephone indicates which type of message will follow? ______.
A. Distress
B. Safety
C. All clear
D. Urgency
KEY: D
[4255]A sound signal of seven short blasts and one long blast given with the vessel's sound system is ______.
A. Safety alarm
B. Distress alarm
C. Fire drill alarm
D. General emergency alarm
KEY: D
[4256]If you see someone fall overboar