更多"Air in the fuel can cause（）"的相关试题:
[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]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]A distorted spray pattern from a fuel injector can cause a diesel engine to have （）
A. higher firing pressure
B. more power output
C. lower fuel pressure
D. less power output
[单项选择]Air bubbles in a hydraulic governor can cause （）
A. sluggish response
B. speed droop variations
C. isochronous governing
D. sensitivity increase
[单项选择]The major cause of fuel pump and injection system problems is （）
A. improper adjustments
B. contaminated fuel
C. kinked fuel lines
D. excessive engine vibration
[单项选择]Hot air can hold（）.
A. less moisture than cold air
B. more moisture than cold air
C. the same amount of moisture as cold air
D. moisture independent of air temperature
[单项选择]A fuel-air mixture below the lower explosive limit is too（）.
A. rich to burn
B. lean to burn
C. cool to burn
D. dense to burn
[单项选择]Air in the fuel lines to the fuel injection nozzles of a diesel will result in （）.
A. lower compression pressures
B. overheating without smoking
C. failure to start
D. a run away without load
[单项选择]Which of the following problems could cause air to blow out through the inlet air filter of a running compressor?（）
A. Excessive compression in the cylinder
B. A broken intake valve
C. A dirty inlet filter element
D. An improperly adjusted discharge valve
[单项选择]What is LEAST likely to cause ignition of fuel vapors?（）.
A. Static electricity
B. An open running electric motor
C. Loose wiring
D. Explosion proof lights
[单项选择]The major cause of problems occurring with fuel injection equipment is（）
A. incorrect replacement of barrels and plungers of jerk pumps
B. overheating of the nozzle orifices
C. cracked pump housings
D. dirt in the fuel
[单项选择]Heat damage to fuel injection nozzles can be prevented by avoiding （）
A. excessive fuel oil temperature
B. long periods of engine overload
C. metallic contact between nozzles and cylinder heads
D. hard carbon deposit and varnish on the nozzles
[单项选择]Water in the fuel can prevent the engine from starting, prevent it from developing full power, or （）
A. run at an irregular speed
B. create high lube oil temperature
C. cause the engine to over-speed
D. cause blue smoke in the exhaust
[单项选择]A leaking diesel engine fuel injector will cause（）
A. prolonged maintenance intervals
B. improved atomization
C. greater fuel economy
D. incomplete combustion
[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]（） into the cylinder because no fuel can burn （） it.
A. Air must be admitted；without
B. Oil must be injected；without
C. Air must be admitted；with
D. Oil must be injected；with
[单项选择]If a diesel engine runs out of fuel, you can expect trouble from （）
A. overheated injection pumps
B. water condensation in the cylinders
C. fuel dilution of the lube oil
D. air in the fuel system
