A.fuel valve
B.lubricator
C.indicator valve
D.the starting valve
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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
A.journal
B.crank-pin
C.main bearing
D.large end of connecting rod
A.shrunk into
B.expanded into
C.extended into
D.designated into
最新试题
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
Maximum horsepower of a diesel engine is attained （）.
Routine monitoring of a diesel engine should include （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
A diesel engine piston ring face is in direct contact with the （）.
An automated diesel engine should normally shut down due to （）
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.