A.familiar
B.understand
C.conversation
D.confused
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A.masters
B.chief engineers
C.crew
D.all personnel
A.18
B.16
C.22
D.20
A.18
B.16
C.22
D.20
A.10 hours in any 24-hour period
B.72 hours in any seven-day period
C.ten hours in any 24-hour period
D.88 hours in any seven-day period
A.14 hours in any 24-hour period
B.77 hours in any seven-day period
C.ten hours in any 24-hour period
D.88 hours in any seven-day period
最新試題
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
Diesel engine air start system check valves are opened by （）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
（） is not installed on the main switchboar.
Flame failure in an automatically fired auxiliary boiler can from a/an （）
The condensers located in various stages of a flash evaporator are cooled by（）
Cold weather starting of a diesel engine may be made easier by（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）