A.Stationary
B.Full floating
C.Semi-floating
D.Free rolling
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A.less fuel will enter the cylinder
B.lower will be cylinder compression temperatures
C.more complete will be fuel combustion
D.more rapid will be the rise in combustion pressure
A.high compression pressure
B.low intake air temperature
C.low exhaust pressure
D.high scavenge air pressure
A.decreased piston to cylinder head clearance
B.increased exhaust system back pressure
C.early fuel injection timing
D.low scavenge air temperature
A.high temperature and a high viscosity
B.high temperature and a low viscosity
C.low temperature and a high viscosity
D.low temperature and a low viscosity
A.vanadium
B.carbon
C.copper
D.ash
最新試題
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
Lube oil cannot be efficiently filtered if its （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
A thrust bearing is used with a propulsion diesel engine to （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
To determine if the lube oil filter elements need changing, （）.
The function of diesel engine piston compression rings is to （）.