A.air in the cooling system
B.an overhauled water pump
C.correct amount of coolant
D.no air in the cooling system
您可能感興趣的試卷
你可能感興趣的試題
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
A.inside micrometer
B.feeler gauge
C.adjustable trammel
D.sighting device
最新試題
In using reduction gears to obtain efficient propeller speeds, （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
The highest pressure in a diesel engine cylinder normally occurs （）.
Lube oil cannot be efficiently filtered if its （）.
To determine if the lube oil filter elements need changing, （）.
Maximum horsepower of a diesel engine is attained （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
The main purpose of the piston oil scraper rings is to （）.
A diesel engine piston ring face is in direct contact with the （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.