A.for starting diesel engines
B.in pneumatic control system
C.in pneumatic tools
D.All the above are true
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A.the air receivers
B.the starting valves
C.the cylinder covers
D.the distributors
A.machine efficiency
B.machinery efficiency
C.mechanical efficiency
D.mechanics efficiency
A.to need
B.ready for
C.want to
D.going to be
A.water
B.fresh air
C.fuel oil
D.gas
A.caulked into
B.caulking into
C.pressed into
D.screwed into
最新試題
The function of diesel engine piston compression rings is to （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
An automated diesel engine should normally shut down due to （）
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 （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
Proper filtering and straining of fuel oil is important because the （）.
White smoke exhausting from an operating diesel engine may indicate （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.