A.an oil seal
B.removing heat
C.a gas seal
D.cooling the piston
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A.ignition ratio
B.power ratio
C.compression ratio
D.injection ratio
A.nip
B.nap
C.gap
D.lip
A.less than
B.lighter than
C.larger than
D.smaller than
A.less than
B.lighter than
C.larger than
D.smaller than
A.smoky
B.a little bit dense
C.visible
D.almost invisible
最新試題
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
In using reduction gears to obtain efficient propeller speeds, （）.
Combustion knock occurring in a diesel engine can be caused by （）.
The function of diesel engine piston compression rings is to （）.
A diesel engine piston ring face is in direct contact with the （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
What is the function of the thrust bearing?（）
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.