更多"Sudden unloading of a diesel engine"的相关试题:
[单项选择]One cause of diesel engine surging can be a result of ()
A. injection pump plungers stuck or worn
B. low compression
C. solenoid stuck open
D. fuel tank too full
[单项选择]Air in the fuel lines of a diesel engine can cause ()
A. ignition failure
B. oxygen corrosion of the fuel lines
C. the pistons to seize
D. blue smoke
[单项选择]Diesel engine control can be obtained by the bridge ().
A. at any time
B. only after the engine room control station is switched to “bridge control”
C. whenever the secondary station is switched to "bridge control"
D. with the approval of the chief engineer only
[单项选择]Main diesel engine control can be obtained by the bridge ()
A. at any time
B. only after the engine room control station is switched to ‘bridge control’
C. whenever the secondary station is switched to ‘bridge control’
D. whenever the engine side control station is switched to ‘bridge control’
[单项选择]Clogged diesel engine fuel oil filters can cause()
A. loss of power
B. misfiring
C. low fuel oil pressure
D. All of the above
[单项选择]The ignition of the fuel in diesel engine is caused by the () of compression of the air previously admitted into the cylinders.
A. vacuum pressure
B. specific gravity
C. heat
D. viscosity
[单项选择]Combustion knock occurring in a diesel engine can be caused by ()
A. low coolant temperature
B. insufficient fuel
C. high ambient temperature
D. carbon buildup on the injector tips
[单项选择]Diesel engine lube oil can become contaminated as a result()
A. the water produced during combustion
B. the sulfur in the fuel
C. unburned fuel oil
D. all of the above
[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]Low compression pressure in a diesel engine can be caused by()
A. improperly seating intake valves
B. leaking cylinder liner seal rings
C. late fuel injection timing
D. carbon deposits on the piston
[单项选择]Late fuel oil injection in a diesel engine can result in ()
A. fuel knock
B. increased power
C. low compression pressure
D. high exhaust temperature
[单项选择]Poor combustion in a diesel engine can be caused by ().
A. high compression pressure
B. low intake air temperature
C. low exhaust pressure
D. high scavenge air temperature
[单项选择]A dark exhaust from a running diesel engine can be caused by ()
A. late ignition
B. water in the fuel
C. high compression temperature
D. starting valve stuck open
[单项选择]Low compression in a diesel engine can be caused by ()
A. clogged coolant passages
B. a leaking cylinder head gasket
C. low fuel oil pressure
D. worn or broken cylinder liner sealing rings
[单项选择]Worn main bearings in a diesel engine can result in ()
A. decreased compression pressure
B. increased lube oil pressure
C. lower lube oil temperature
D. excessive leakage past the piston rings