control air system
forced draft air system
supply air system
ships service air system
第1题：
broken inlet valves
broken discharge valves
pulsations in the air distribution system
overloading of the air distribution system
第2题：
start the engine in cold weather
aid in helping personnel breathe
prime the sprinkler system
prime the air supply
第3题：
what is the use of “unloader “on main air compressor ?
第4题：
The unit is working properly
The face mask is not sealed properly
The air bottle needs to be refilled
The air supply hose has a leak
第5题：
cooling water
fuel oil
sea water
diesel intake air
第6题：
charge air receiver
scavenging air belt
turbine
air cooler
第7题：
calculating amplitudes
calculating great circle sailings by the Agiton method
entering the Air Navigation Tables (Selected Stars) Pub 249
plotting on star finders
第8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9题：
Suez Canal searchlight, air compressor and air conditioning compressor
Air compressor, boiler blower and refrigeration plant
Boiler blower, Suez Canal searchlight and refrigeration plant
Suez canal searchlight, air compressor and boiler blower
第10题：
an immediate crankcase explosion
oil contamination in the compressed air
a decrease in compressor capacity
no immediate loss of the compressed air capacity