更多"Black 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]White smoke exhausting from a diesel engine can result from （）
A. high exhaust temperature
B. high lube oil temperature
C. low turbo-charger speed
D. low cooling water temperature
[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 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 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（）smoke and steam.
A. gives up
B. gives away
C. gives in
D. gives off
[单项选择]High exhaust temperature and black smoke exhausting from an auxiliary diesel engine can be caused by （）.
A. engine overload
B. low combustion temperature
C. plugged fuel nozzle holes
D. excessive compression pressure
[单项选择]A burner responsible for producing black smoke in an automatic auxiliary boiler, would be caused by a （）
A. defective solenoid valve
B. dirty fuel nozzle
C. grounded high tension lead
D. faulty ignition cable connector
[单项选择]A diesel engine emits blue exhaust smoke as a result of（）
A. cold intake air
B. excessive compression pressure
C. excessive cylinder lubrication
D. a light load
[单项选择]As engine RPM is increased from idle speed to full load speed, which of the conditions listed will decrease?（）
A. Compression ratio
B. Fuel/Air ratio
C. Compression pressure
D. Lube oil pressure
[单项选择]If you observe smoke coming from the turbocharger of an auxiliary diesel engine, you should（）
A. check the air filter for obstruction
B. check for an exhaust leak
C. check the exhaust temperature
D. secure the engine
[单项选择]You notice smoke coming from an open laundry room doorway．After activating the fire alarm，which of the following would you do FIRST（）.
A. Attempt to determine what is burning
B. Acquire the nearest self contained breathing apparatus
C. Break out the nearest fire hose
D. Wait for the fire team to arrive and assist as directed
[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]Low compression of diesel engine may result from （）
A. a worn cylinder
B. broken piston rings
C. any of A and B
D. none of the above
