A.up;opened
B.down;open
C.up;closed
D.down;closed
您可能感興趣的試卷
你可能感興趣的試題
A.two strokes of the piston
B.four strokes of the piston
C.one revolution of the crankshaft
D.four revolutions of the crankshaft
A.crosshead
B.crown
C.piston rod
D.connecting rod
A.higher;reduced
B.higher;increased
C.lower;reduced
D.lower;increased
A.Diesel engine propulsion
B.Diesel electric propulsion
C.Steam engine propulsion
D.Gas turbine propulsion
A.The medium speed 4-stroke trunk piston engine
B.The low speed 2-stroke crosshead engine
C.The medium speed 2-stroke crosshead engine
D.The low speed 4-stroke trunk piston engine
最新試題
Under MARPOL Code the ship to which it applies has to carry ()
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?()
When does auxiliary burner of incinerator put into operation? ()Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
Flame failure in an automatically fired auxiliary boiler can from a/an ()
To shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()
Using a file without a handle may result in ()
During the diesel engine running, the water level of F.W expansion tank should normally kept in the () level of glass tube.
Cold weather starting of a diesel engine may be made easier by()
The cetane rating of diesel fuel is an indication of the ()
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the()