A.where is the trouble
B.where does the trouble
C.where the trouble lies
D.what is the trouble
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A.whether
B.if
C.unless
D.till
A.Ours
B.Ours ship
C.Our’s ship
D.Our’s
A.sparking being taking place
B.to spark taking place
C.sparking to be taken place
D.sparking taking place
A.is due to
B.dues to
C.is because
D.is for
A.send
B.sends
C.was sent
D.were sent
最新試題
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?（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
Using a file without a handle may result in （）
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（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
Diesel engine air start system check valves are opened by （）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
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.
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）