A.smoky exhaust
B.starting failure
C.overload
D.over speed
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A.in which
B.on which
C.at which
D.in that
A.Remain
B.to remain
C.retain
D.to retain
A.steam rather than gas is used to turn a shaft
B.vapor rather than gas is used to turn a shaft
C.the former uses gas to turn a shaft
D.the latter uses gas to turn a shaft
A.they operate between 150 and 450 rpm
B.they are connected to the propeller by gearing
C.their smaller size and weight
D.they can be connected directly to the propeller without gearing
A.both of them are ignited by compressed air
B.both of them are the forms of external combustion engines
C.both of them have spark plugs
D.the power is developed by the piston in the cylinder
最新試題
Using a file without a handle may result in （）
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
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
Which of the following items don’t belong to dock repair works?（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The treatment of the fuel oils involves storage, heating, filtering and（）
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.
Cold weather starting of a diesel engine may be made easier by（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）