更多"A magnetic strainer is used in the "的相关试题:
[单项选择]A condition contributing to diesel engine piston rings sticking in the ring grooves, is insufficient ring clearance at the ring()
A. gap
B. side
C. back
D. radial
[单项选择]Connecting rods in a diesel engine are used to connect the ().
A. engine to the bed
B. rocker arm to the camshaft
C. crankshaft to the gear train
D. piston to the crankshaft
[单项选择]The function of diesel engine piston compression rings is to ().
A. prevent piston side thrust
B. prevent engine friction losses
C. transmit heat from the piston to the cylinder liner
D. remove oil from the cylinder combustion space
[单项选择]() the engines, the diesel engine is() used engine on board.
A. Between;more commonly
B. Among;the most commonly
C. Between;not more commonly
D. Among;not the most commonly
[单项选择]Diesel engine exhaust temperatures may be used to indicate ().
A. leaking exhaust valves
B. an overloaded cylinder
C. a clogged injector nozzle
D. all of the above
[单项选择]Diesel engine jacket water is used in the distillation process as the ().
A. coolant for the distillate
B. coolant for the brine cooler
C. means of heating the feedwater
D. primary means of producing a vacuum within the distiller
[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]Diesel engine electric starting motors generally require heavier duty motors and motors and operate at higher voltages than comparable starting motors for gasoline engines due to()
A. higher speed required
B. flywheel-effect
C. lower starting temperatures
D. higher compression pressures
[单项选择]Diesel engine cylinder head test cocks are used to ()
A. check cylinder lubrication
B. connect the pressure indicator pressure
C. test cylinder heads
D. connect the exhaust gas pyrometers
[单项选择]Piston compression rings used in a diesel engine function to ()
A. transfer heat from the cylinder to the piston
B. scrape oil from the sides of the piston
C. seal the combustion space from the crankcases
D. prevent any piston contact with the cylinder liner
[单项选择]Lubricating oil used in a diesel engine serves to()
A. reduce the wear of bearing surfaces
B. cool the bearing surfaces
C. assist in sealing bearing surfaces
D. all of the above
[单项选择]The lube oil pump used in a diesel engine is a ().
A. volute pump
B. centrifugal pump
C. diaphragm pump
D. gear pump
[单项选择]Engine coolant accumulating in the diesel engine lubricating oil can result from a ()
A. low oil pressure
B. high coolant pressure
C. leaking fuel injector
D. cracked cylinder head or liner
[单项选择]In a four-cycle diesel engine piston blow-by can result in increased()
A. crankcase pressure
B. compression pressure
C. scavenge pressure
D. exhaust manifold pressure
[单项选择]Before starting a diesel engine that has an engine driven lube oil pump, the engineer should ().
A. open the bypass line
B. cut in the lube oil cooler
C. pressurize the lube oil system
D. top off the expansion tank
[单项选择]The marine diesel engine is a type of diesel engine used on ships The () of its operation is not very difficult to understand.
A. principle
B. principal
C. cause
D. case
[单项选择]A diesel engine is similar to a gasoline engine except that the former has no ().
A. cross-head
B. cylinder
C. connecting rod
D. spark plug