A.screwed
B.welded
C.fastened
D.rotated
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A.steel
B.copper
C.cast iron
D.stainless steel
A.around
B.among
C.in
D.between
A.frame
B.piston
C.crankcase
D.explosion plate
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
最新試題
A thrust bearing is used with a propulsion diesel engine to （）.
Proper filtering and straining of fuel oil is important because the （）.
Routine monitoring of a diesel engine should include （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
The main purpose of the piston oil scraper rings is to （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
Combustion knock occurring in a diesel engine can be caused by （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
Lube oil cannot be efficiently filtered if its （）.