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
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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
A.journal
B.crank-pin
C.main bearing
D.large end of connecting rod
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The main purpose of the piston oil scraper rings is to ().
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by ().
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in ().
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm ().
An automated diesel engine should normally shut down due to ()
Proper filtering and straining of fuel oil is important because the ().
In a simple mechanical governor, the ().
Lube oil filters remove contaminants more efficiently if the oil being filtered is ().
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should ().
White smoke exhausting from an operating diesel engine may indicate ().