A.a reduction
B.an increase
C.an outing
D.a downwards
您可能感興趣的試卷
你可能感興趣的試題
A.manoeuvring operations
B.bad combustion
C.cooling
D.mooring trial
A.viscosity
B.twisting moments
C.inertia
D.thermal expansion
A.bottom
B.middle
C.top
D.none of the above
A.higher
B.lower
C.the same
D.none of the above
A.the piston rods
B.the crank throws
C.the thrust bearings
D.the main bearings
最新試題
White smoke exhausting from an operating diesel engine may indicate （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
Maximum horsepower of a diesel engine is attained （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
A diesel engine piston ring face is in direct contact with the （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.