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 （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
An automated diesel engine should normally shut down due to （）
Lube oil cannot be efficiently filtered if its （）.
In using reduction gears to obtain efficient propeller speeds, （）.
A thrust bearing is used with a propulsion diesel engine to （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
Maximum horsepower of a diesel engine is attained （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.