A.frame
B.piston
C.crankcase
D.explosion plate
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A.screwing into
B.being screw on
C.to screw on
D.screwed into
A.bolts welded into the cylinder head
B.bolts welded into the cylinder frames
C.studs screwed into the cylinder head
D.studs screwed into the cylinder frames
A.fuel valve
B.lubricator
C.indicator valve
D.the starting valve
A.the beginning of the compression stroke
B.the beginning of the suction stroke
C.the end of the working stroke
D.the end of the exhaust stroke
A.repeatedly
B.quickly
C.gradually
D.immediately
A.forged
B.tapering
C.drilling
D.boring
A.an adequate supply of lube oil
B.an adequate supply of fuel oil
C.an adequate supply of turbine oil
D.an adequate supply of cylinder oil
A.lining
B.lined
C.made
D.in
A.forged
B.cast
C.made
D.shrunk
A.bending stresses弯曲应力
B.torsion stresses扭转应力
C.shear stresses剪应力
D.All of the above
最新试题
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
Maximum horsepower of a diesel engine is attained （）.
To determine if the lube oil filter elements need changing, （）.
In using reduction gears to obtain efficient propeller speeds, （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
Routine monitoring of a diesel engine should include （）.