A.piston rings
B.valve guides
C.valve seals
D.all of the above
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A.excessively late fuel injection
B.oil in the air charge
C.water in the fuel
D.injection continuing after the fuel charge is ignited
A.injection pump plungers stuck or worn
B.low compression
C.solenoid stuck open
D.fuel tank too full
A.facilitate bi-directional operation
B.provide the greatest pump efficiency
C.prevent pump clogging from marine growth
D.prevent cavitation at the pump outlet
A.raw water pump discharge
B.expansion tank outlet
C.cooling water heat exchanger
D.outlet engine jacket water outlet
In a diesel engine, a cylinder liner should be replaced if it is （）
Ⅰ.Scuffed
Ⅱ.Scored
A.Ⅰ only is correct
B.Ⅱ only is correct
C.both Ⅰ and Ⅱ are correct
D.neither Ⅰ or Ⅱ are correct
最新試題
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The cetane rating of diesel fuel is an indication of the （）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
To proceed to the assistance of a ship in distress is（）
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.
（） is not installed on the main switchboar.
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
The condensers located in various stages of a flash evaporator are cooled by（）