A.fuel injectors
B.exhaust valves
C.intake valves
D.all of the above
您可能感興趣的試卷
你可能感興趣的試題
A two-stroke diesel engine exhaust temperature will be lower than a four-stroke diesel engine of the same displacement because the （）
(1) scavenging air is cooling the exhaust gases
(2) exhaust cycle time is longer
A.(1) only
B.(2) only
C.both (1) and (2)
D.neither (1) nor (2)
A.acidity has increased
B.viscosity has decreased
C.demulsibility has improved
D.foaming is guaranteed to occur
A.increase the fuel oil temperature
B.decrease the fuel oil temperature
C.decrease the fuel oil supply pressure
D.increase the air supply
With regards to a diesel engine crankcase explosion, the most violent is the（）
(1) primary explosion
(2) secondary explosion
A.(1) only
B.(2) only
C.both (1) and (2)
D.neither (1) or (2)
A.increased heat transfer
B.fireside erosion
C.high steam demand
D.overheated tubes
最新試題
Combustion knock occurring in a diesel engine can be caused by （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
Proper filtering and straining of fuel oil is important because the （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
In a simple mechanical governor, the （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
An automated diesel engine should normally shut down due to （）
Maximum horsepower of a diesel engine is attained （）.