A.increase the fuel oil temperature
B.decrease the fuel oil temperature
C.decrease the fuel oil supply pressure
D.increase the air supply
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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
A.gas composition
B.gas temperature
C.pressure
D.timing
A.push rods
B.chain drives
C.rocker arms
D.flywheels
A.provide steam for emergency propulsion
B.provide steam for the turbo-generator
C.heat the waste water tanks
D.steam for warming engines
最新試題
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
Combustion knock occurring in a diesel engine can be caused by （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
A diesel engine piston ring face is in direct contact with the （）.
Maximum horsepower of a diesel engine is attained （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
In using reduction gears to obtain efficient propeller speeds, （）.