A.improve power factor
B.reduce voltage oscillation
C.increase the insulation of circuits
D.eliminate regenerated magnetic fields
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A.for the release of air from the cooling water
B.providing expansion room for heated cooling water
C.a place for implementing water and water treatment agent
D.all of the above
A.1/2
B.1
C.2
D.3
A.non-synchronous electric motor
B.synchronous electric motor
C.fully enclosed electric motor
D.watertight electric motor
A.an increase in the exhaust temperature of the affected cylinder
B.the turbocharger may surge
C.the explosion pressure in all cylinders will rise violently
D.smoke from the turbocharger air inlet filter will be seen
A.refreshing the air
B.making person upset
C.adjusting the air humidity
D.adjusting the air temperature
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The cetane rating of diesel fuel is an indication of the （）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
Under MARPOL Code the ship to which it applies has to carry （）
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Cold weather starting of a diesel engine may be made easier by（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
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.