A.the number of fuel valves
B.the number of cylinders
C.the speed of engine
D.the power of engine
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A.the same piston
B.the piston nearby
C.the other pistons
D.the generators on board
A.inside
B.before
C.after
D.against
A.gap
B.clearance
C.radius
D.stroke
A.to interfere with
B.interfering with
C.to help scavenging
D.helping scavenging
A.to interfere with
B.interfering with
C.to help scavenging
D.helping scavenging
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The function of diesel engine piston compression rings is to （）.
A thrust bearing is used with a propulsion diesel engine to （）.
Maximum horsepower of a diesel engine is attained （）.
The main purpose of the piston oil scraper rings is to （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
The minimum speed an engine must attain before ignition can occur depends upon （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.