A.specific volume
B.density
C.viscosity
D.calorific value
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A.by an fuel valve
B.through an inlet valve
C.with an exhaust valve
D.from an outlet valve
A.piston crown
B.piston ring groove
C.piston skirt
D.piston ring area
A.one propulsion
B.two propulsions
C.two revolutions
D.one revolution
A.cooling water
B.vapor from the boiler
C.starting air
D.hot gases
A.constant
B.pulse
C.high
D.none of the above
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The main purpose of the piston oil scraper rings is to （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
Maximum horsepower of a diesel engine is attained （）.
In using reduction gears to obtain efficient propeller speeds, （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
Diesel engine control can be obtained by the bridge （）.
An automated diesel engine should normally shut down due to （）
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.