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
A diesel engine piston ring face is in direct contact with the （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
What is the function of the thrust bearing?（）
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
The main purpose of the piston oil scraper rings is to （）.
A thrust bearing is used with a propulsion diesel engine to （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
Diesel engine control can be obtained by the bridge （）.