A.temperature
B.viscosity
C.density
D.velocity
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A.excessive heat
B.insufficient heat
C.effective cooling
D.high output
A.scale
B.sludge
C.chemicals
D.air
A.turning gear
B.steering gear
C.spur gear
D.chain gear
A.the crosshead
B.the crankshaft
C.large end
D.the piston bosses
A.gravity
B.motion
C.ratio
D.density
最新試題
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
The main purpose of the piston oil scraper rings is to （）.
In a simple mechanical governor, the （）.
Diesel engine control can be obtained by the bridge （）.
A diesel engine piston ring face is in direct contact with the （）.
Proper filtering and straining of fuel oil is important because the （）.
Routine monitoring of a diesel engine should include （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.