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单选题
The sprinkler system of an enclosed lifeboat is used to（）.
A
cool the craft in a fire
B
cool the engine
C
spray oil on the sea to calm it
D
spray personnel during a fire
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单选题Your vessel is equipped with totally enclosed lifeboats. Which statement is true when the boat is enveloped in flames?（）.A
The ventilators will automatically close by the action of fusible linksB
The motor takes its air supply from outside the lifeboat to prevent asphyxiation of the crewC
A water spray system to cool the outside of the boat is operated by a high-volume manual pumpD
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考题
单选题Aboard a survival craft,ether can be used to（）.A
start the engine in cold weatherB
aid in helping personnel breatheC
prime the sprinkler systemD
prime the air supply
考题
单选题The sprinkler system of a survival craft is used to（）.A
cool the craft in a fireB
cool the engineC
spray oil on the sea to calm itD
spray personnel during a fire
考题
单选题The device used for preventing the passage of flames into enclosed spaces is called a （）.A
flame relief valveB
flame stopperC
safety valveD
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单选题What is NOT a securing system used on a containership?（）.A
Lashing systemB
Stacking systemC
Locking systemD
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考题
单选题（）is used for lifting cargo.A
A mooring winchB
A windlassC
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考题
单选题What must the Master or person in charge of a ship enter in the logbook after conducting a boat drill? （）A
Which survival craft was used in the drillB
The number of each lifeboat not lowered during each drillC
Only the number of each motor propelled lifeboat that is loweredD
The length of time an oar propelled lifeboat is rowed
考题
单选题What is best suited for fighting a fire in a ballast control room?（）A
Automatic sprinkler systemB
Steam smothering systemC
Dry chemical systemD
Carbon dioxide system
考题
单选题Frapping lines are fitted to lifeboat davits to（）.A
reduce the swinging of the lifeboat as it is being lowered from the embarkation levelB
secure the lifeboat in the davits when in the stowed positionC
hold the lifeboat to the ship's side until the tricing lines are passedD
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Sea anchorB
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Spare rudderD
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单选题What should be used to steer an open lifeboat if the rudder becomes lost or damaged?（）A
Sea anchorB
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考题
单选题When transferring survivors from an enclosed lifeboat to a rescue vessel，personnel on board the boat should（）.A
remove their life preservers to make it easier to climb on board the rescue vesselB
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enter the water and swim over to the rescue vessel
考题
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persons in the space wear damp cloths over their mouths and nostrilsC
ventilation system is secured and all persons leave the spaceD
ventilation system is kept operating
考题
单选题If the engine of a survival craft does not start，check to see（）.A
that the fuel valve is openB
if the air supply system is openC
if the water sprinkler system is openD
if the limit switch is on
考题
单选题The primary function(s) of an automatic sprinkler system is(are) to（）.A
extinguish the fire which triggers itB
limit the spread of fire and control the amount of heat producedC
protect people in the areas which have sprinkler headsD
alert the crew to the fire
考题
单选题What is TRUE concerning frapping lines?（）A
They are used to steady a lifeboat when loweredB
They are normally attached to the davit spanC
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考题
单选题What type of electric motor is most commonly used on board ship?（）A
non-synchronous electric motorB
synchronous electric motorC
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watertight electric motor
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单选题Coast Guard approved buoyant work vests（）.A
may be substituted for 10 percent of the required life preserversB
should be stowed adjacent to lifeboats and emergency stationsC
may be used by boat crews and line handlers during lifeboat drillsD
should be used when carrying out duties near a weather deck's edge
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