A.Injection lag
B.Lube oil dilution
C.Pre-ignition
D.Corrosion
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A.increase thermal efficiency
B.cause clogging of the fuel system
C.increase the ability of the engine to start in cold weather
D.produce corrosion in the cylinder and exhaust system at low loads
A.the engine to run after the fuel has been secured
B.the engine to over-speed
C.a fire
D.all of the above
A.compression pressure in the cylinder will be higher
B.carbon will accumulate behind the ring
C.combustion gases will penetrate beneath the ring land
D.piston side thrust will be increased
A.copper
B.carbon
C.hydrogen
D.sulfur
A.The cylinder indicator cocks should be opened
B.The sump lube oil scavenge pump should be secured immediately
C.The explosion relief valves should be manually opened
D.The crankcase should remain unopened until the engine has cooled
最新試題
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