A.sliding piston rings
B.engines camshaft
C.small pumps
D.forced feed system
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A.excessive heat
B.friction
C.oxidation
D.high pressure
A.is made to circulate out of the system
B.is made to circulate within the system
C.is made circulate within the system
D.is made circulate out of the system
A.Hash point
B.Viscosity
C.Pour point
D.Cetane number
A.viscosity
B.flash point
C.cetane number
D.calorific value
A.Air must be admitted；without
B.Oil must be injected；without
C.Air must be admitted；with
D.Oil must be injected；with
最新試題
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
Combustion knock occurring in a diesel engine can be caused by （）.
A diesel engine piston ring face is in direct contact with the （）.
What is the function of the thrust bearing?（）
Lube oil cannot be efficiently filtered if its （）.
Maximum horsepower of a diesel engine is attained （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Proper filtering and straining of fuel oil is important because the （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
In using reduction gears to obtain efficient propeller speeds, （）.