A.inside
B.before
C.after
D.against
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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
A.a starting system
B.the starting air
C.a starting operation
D.A, B and C
A.air bottle
B.air compressor
C.crank case
D.combustion chamber
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In using reduction gears to obtain efficient propeller speeds, （）.
White smoke exhausting from an operating diesel engine may indicate （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
Proper filtering and straining of fuel oil is important because the （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
A diesel engine piston ring face is in direct contact with the （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
Routine monitoring of a diesel engine should include （）.