A.sliding piston rings
B.engines camshaft
C.small pumps
D.forced feed system
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A.excessive heat
B.friction
C.oxidation
D.high pressure
A.is made to circulate out of the system
B.is made to circulate within the system
C.is made circulate within the system
D.is made circulate out of the system
A.Hash point
B.Viscosity
C.Pour point
D.Cetane number
A.viscosity
B.flash point
C.cetane number
D.calorific value
A.Air must be admitted；without
B.Oil must be injected；without
C.Air must be admitted；with
D.Oil must be injected；with
最新試題
Diesel engine control can be obtained by the bridge （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
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 （）.
A thrust bearing is used with a propulsion diesel engine to （）.
Proper filtering and straining of fuel oil is important because the （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
To determine if the lube oil filter elements need changing, （）.