海船船员考试
单选题When operating the air supply system in a covered lifeboat the（）.A fuel supply valve should be closedB hatches，doors，and oar ports should be closedC air cylinder shut-off valve should be closedD engine should be shut off
题目
fuel supply valve should be closed
hatches，doors，and oar ports should be closed
air cylinder shut-off valve should be closed
engine should be shut off
参考答案和解析
相似问题和答案
第1题：
Your vessel has a gasoline engine and a mechanical exhaust ventilation system．BEFORE starting the engine，the exhaust blower should be run long enough to ______．
A.warm up the exhaust blower motor
B.provide a proper supply of fresh air for the engine（s）
C.see the system is in good operating condition
D.insure at least one complete change of air in the compartments concerned
第2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
如果一个救生艇发动机无法启动，请检查燃油筏是否打开。
第3题：
When an auxiliary boiler is panting and emitting(发出) black smoke, you should______.
A.increase the fuel oil temperature
B.decrease the fuel oil temperature
C.decrease the fuel oil supply pressure
D.increase the air supply
第4题：
adding small amounts of oil to the system
the system has been overheated
the system has been drained and then filled with new oil
the system has been idle for a long period of time
第5题：
Fuel supply line valve
Pressure registered on the accumulator gauge
Cold-spark voltage readings test lamp
Engine stop control
第6题：
The engine in a covered lifeboat is fueled with ______．
A.Kerosene
B.Unleaded gasoline
C.Diesel oil
D.Liquefied gas
第7题：
When configuring the messaging system， which of the following are valid parameters for the file transport？ （）
- A、File Name
- B、Operating System
- C、Location
- D、Host
- E、Mode
正确答案:A,C,E
第8题：
A safe fuel system must ______.
A.prevent engine overheating
B.have proper air/gasoline fuel mixture ratio
C.be liquid- and vapor-tight
D.supply sufficient air to the intake manifold
第9题：
broken inlet valves
broken discharge valves
pulsations in the air distribution system
overloading of the air distribution system
第10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