A.Improper lubrication
B.Air in the fuel system
C.Coated fuel lines
D.Excessive vibration
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A.Excessive valve train lubrication
B.Leaking standby oil cooler core
C.Excessive lube oil pressure
D.Excessive lube oil in the system
A.improper adjustment
B.contaminated fuel
C.kinked fuel lines
D.excessive engine vibration
A.check cylinder lubrication prior to starting engine
B.connect exhaust gas analyzers to determine engine efficiency
C.pressure test cylinder heads to check for leaks
D.remove moisture accumulations from cylinder prior to starting
A.constantly decreasing as engine load increase
B.constantly increasing as the amount of supercharging increases
C.approximately equal to exhaust manifold pressure at all times
D.approximately equal to atmospheric pressure at all times
A.prolonged maintenance intervals
B.improved atomization
C.greater fuel economy
D.incomplete combustion
最新試題
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Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
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（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
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