更多"White smoke exhausting from a diese"的相关试题:
[单项选择]White smoke exhausting from a diesel engine can be caused by （）
A. low combustion temperature
B. a leaking fuel nozzle check valve
C. late fuel injection
D. plugged oil-scraper ring hole
[单项选择]Black smoke exhausting from a diesel engine indicates（）
A. proper fuel injection
B. water in the fuel
C. incomplete combustion
D. burning of lube oil
[单项选择]White smoke exhausting from an operating diesel engine may indicate （）
A. a cracked liner
B. burning lube oil
C. an overloaded engine
D. insufficient combustion air
[单项选择]Black smoke exhausting from an operating diesel engine is an indication of poor combustion which may be caused by （）
A. water in the fuel
B. insufficient fuel for combustion
C. clogged air intake passages
D. burning lubricating oil
[单项选择]White smoke issuing from the exhaust of an auxiliary diesel engine valve opening （）
A. the engine is overloaded
B. the engine is cold
C. there is too much lube oil in the cylinders
D. the turbocharger is fouled
[单项选择]Black smoke coming from a boiler can be caused by （）.
A. low water level
B. low oil pressure
C. excessively high fuel pressure
D. an improper air/fuel ratio
[单项选择]The engine is started with （） supplied from air receivers.
A. pressure oil
B. pressure water
C. compressed air
D. cooling water
[单项选择]A diesel engine piston crown can crack from （）
A. excessive piston to liner clearance
B. excessive dirt beneath the piston crown that reduces heat transfer
C. faulty nozzle spray
D. all of the above
[单项选择]The engine（）smoke and steam.
A. gives up
B. gives away
C. gives in
D. gives off
[单项选择]High diesel engine cooling water temperatures can be caused by （）.
A. a worn water pump
B. not enough coolant
C. air in the cooling system
D. all of the above
[单项选择]Diesel engine exhaust gas temperatures can be used to determine individual cylinder （）.
A. performance
B. horsepower output
C. fuel consumption
D. scavenge effect
[单项选择]Worn diesel engine intake valve guides can result in （）
A. increased engine breathing efficiency
B. excessive valve lash
C. excessive lube oil consumption
D. lower than normal fuel consumption
[单项选择]A dirty diesel engine oil filter element can best be detected by （）.
A. visual inspection of the elements
B. the pressure drop across the filter
C. high lube oil sump temperature
D. decrease in oil viscosity from the filter
