A.screwing into
B.being screw on
C.to screw on
D.screwed into
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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
A.tension stretch
B.tie rods
C.through bolts
D.main bearings
最新试题
In using reduction gears to obtain efficient propeller speeds, ().
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because ().
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the ().
How many power strokes per crankshaft revolution are there in an eight cylinder, 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 ().
The highest pressure in a diesel engine cylinder normally occurs ().
The ability of the governor to prevent fluctuations in engine speed is termed ().
Routine monitoring of a diesel engine should include ().
In a simple mechanical governor, the ().
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?()