A.dog clutch
B.Pair of gears
C.worm gear
D.turning gear
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A.popular
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最新試題
Which of the following items don’t belong to dock repair works?（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
Cold weather starting of a diesel engine may be made easier by（）
Diesel engine air start system check valves are opened by （）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
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（）