A.their free-floating design
B.their relatively small size
C.the reciprocating motion of the piston
D.their position in the lubrication system
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A.hinged rain guards
B.corrosion resistant flame screens
C.dipsticks for measuring oil levels
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A.aluminum plates
B.lead cathodes
C.copper baffle plates
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A.bearing pressure in a four-stroke\cycle acting single diesel engine is continually reversed
B.bearing pressure in a two-stroke\cycle single acting diesel engine is continually reversed
C.the maximum bearing pressure is higher in a single acting two-stroke/cycle diesel engine
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A.Common-rail injection
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A.two position control
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C.proportional speed floating control
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Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
The condensers located in various stages of a flash evaporator are cooled by（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
Which of the following items don’t belong to dock repair works?（）
Cold weather starting of a diesel engine may be made easier by（）
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The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.