A.many thousand times
B.between times
C.one time
D.at times
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A.temperature
B.viscosity
C.density
D.velocity
A.excessive heat
B.insufficient heat
C.effective cooling
D.high output
A.scale
B.sludge
C.chemicals
D.air
A.turning gear
B.steering gear
C.spur gear
D.chain gear
A.the crosshead
B.the crankshaft
C.large end
D.the piston bosses
最新試題
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
An automated diesel engine should normally shut down due to （）
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
In using reduction gears to obtain efficient propeller speeds, （）.
Lube oil cannot be efficiently filtered if its （）.
Combustion knock occurring in a diesel engine can be caused by （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.