A.direct action of cam shaft
B.compressed air pressure
C.hydraulic “push rods”
D.direct action of the main piston moving down
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In a diesel engine, excessive cylinder liner wear will cause （）
(1) increased blow-by
(2) wear between the piston ring and groove
A.(1) only is correct
B.(2) only is correct
C.both (1) and (2) are correct
D.neither (1) or (2) axe correct
A.area times the stroke
B.area times the stroke, times the number of cylinders
C.volume times the stroke
D.volume times the stroke, times the number of cylinders
A.water-tube supercritical circulation
B.water-tube forced circulation
C.fire-tube controlled circulation
D.fire-tube express circulation
A.regulating the speed of the turbocharger
B.rotating the fuel injector pump plunger
C.regulating the speed of the fuel oil transfer pump
D.changing engine timing
A.clockwise, due to the bowl rotating clockwise
B.clockwise, due to the bowl rotating counterclockwise
C.counterclockwise, due to the bowl rotating clockwise
D.counterclockwise, due to the bowl rotating counterclockwise
最新試題
The highest pressure in a diesel engine cylinder normally occurs （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
Lube oil cannot be efficiently filtered if its （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
The function of diesel engine piston compression rings is to （）.
Proper filtering and straining of fuel oil is important because the （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
To determine if the lube oil filter elements need changing, （）.
White smoke exhausting from an operating diesel engine may indicate （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.