A.inwards
B.outwards
C.downwards
D.upwards
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A.to increase
B.to speed up
C.to prevent
D.to reduce
A.taken away
B.engaged
C.connected
D.sealed off
A.overhaul
B.running
C.blowing down
D.All of the above are correct
A.reciprocating
B.rotating
C.running
D.removing
A.bedplates
B.columns
C.cylinder blocks
D.safety caps
A.mixed with clean oil
B.purified
C.heated
D.strained
A.clogged filters
B.poor combustion
C.overloading of the diesel
D.shock of fuel lines
A.cylinders
B.exhaust valves
C.pistons
D.fuel valves
A.fuel oil
B.diesel oil
C.compressed air
D.jacket water
A.cooling water
B.compressing air
C.compressed air
D.cylinder oil
最新试题
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
Routine monitoring of a diesel engine should include （）.
The function of diesel engine piston compression rings is to （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
In using reduction gears to obtain efficient propeller speeds, （）.
The main purpose of the piston oil scraper rings is to （）.
What is the function of the thrust bearing?（）
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 （）.