A.030 to 1
B.300 to 1
C.333 to 1
D.330 to 1
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A.air in the cooling system
B.an overhauled water pump
C.correct amount of coolant
D.no air in the cooling system
A.camshaft
B.reduction gears
C.rocker arm
D.connecting or piston rod
A.a worn water pump
B.not enough coolant
C.air in the cooling system
D.all of the above
A.flywheel
B.crankshaft
C.journal bearings
D.camshaft
A.45
B.60
C.90
D.100
最新試題
The minimum speed an engine must attain before ignition can occur depends upon （）.
White smoke exhausting from an operating diesel engine may indicate （）.
To determine if the lube oil filter elements need changing, （）.
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 （）.
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 （）.
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 （）.
In a simple mechanical governor, the （）.
Maximum horsepower of a diesel engine is attained （）.