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
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Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
To determine if the lube oil filter elements need changing, （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
What is the function of the thrust bearing?（）
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
In using reduction gears to obtain efficient propeller speeds, （）.
Maximum horsepower of a diesel engine is attained （）.