cool the craft in a fire
cool the engine
spray oil on the sea to calm it
spray personnel during a fire
第1题：
What should be used to steer an open lifeboat if the rudder becomes lost or damaged ________．
A.Sea anchor
B.Steering oar
C.Spare rudder
D.Daggerboard
第2题：
Aboard a survival craft, ether can be used to ______.
A.start the engine in cold weather
B.aid in helping personnel breathe
C.prime the sprinkler system
D.prime the air supply
第3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 drill
B.The number of each lifeboat not lowered during each drill
C.Only the number of each motor propelled lifeboat that is lowered
D.The length of time an oar propelled lifeboat is rowed
第4题：
The ventilators will automatically close by the action of fusible links
The motor takes its air supply from outside the lifeboat to prevent asphyxiation of the crew
A water spray system to cool the outside of the boat is operated by a high-volume manual pump
An air tank will provide about ten minutes of air for the survivors and the engine
第5题：
Large volumes of carbon dioxide are safe and effective for fighting fires in enclosed spaces, such as in a pumproom, provided that the ______.
A.persons in the space wear gas masks
B.persons in the space wear damp cloths over their mouths and nostrils
C.ventilation system is secured and all persons leave the space
D.ventilation system is kept operating
第6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 vessel
B.climb on top of the boat while waiting for their turn to transfer to the rescue vessel
C.remain seated inside and make the transfer one person at a time
D.enter the water and swim over to the rescue vessel
第7题：
If the engine of a survival craft does not start, check to see ______.
A.that the fuel valve is open
B.if the air supply systen is open
C.if the water sprinkler system is open
D.if the limit switch in on
第8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
第9题：
Which of the following commands should be used to report statistics on network protocols used by the system？（）
第10题：
start the engine in cold weather
aid in helping personnel breathe
prime the sprinkler system
prime the air supply