更多"The fuel injection system is very i"的相关试题:
[单项选择]When considering the lowest fuel system operating temperature, （） are important.
A. specific gravity or relative density
B. open flash point and closed flash point values
C. higher calorific and lower calorific values
D. cloud point and pour point values
[单项选择]It is important to note that the injection only takes place when the plunger is moving up the cam （）.
A. base circle
B. slope
C. bottom point
D. top point
[单项选择]The most common diesel engine fuel system problems are caused by （）.
A. incorrect adjustments
B. dirty fuel
C. broken fuel lines
D. excessive vibration
[单项选择]A safe fuel system must（）.
A. prevent engine overheating
B. have proper air/gasoline fuel mixture ratio
C. be liquid- and vapor-tight
D. supply sufficient air to the intake manifold
[单项选择]The main source of fuel injection system malfunctions is （）
A. improper adjustments
B. contaminated fuel
C. coated fuel lines
D. excessive vibration
[单项选择]Each hose in the fuel transfer system for helicopter refueling must have a（）.
A. static grounding device
B. quick-disconnect nozzle
C. splash guard
D. vapor recovery system
[单项选择]The fuel supply system to an automatic auxiliary boiler, will be automatically shutdown if the boiler （）
A. salinity is abnormally high
B. steam demand is too high
C. water level is abnormally low
D. feedwater flow is low
[单项选择]The high pressure in fuel injection system of the diesel engine is produced by the （）.
A. injector pump
B. fuel injector
C. governor
D. turbocharger
[单项选择]The fuel oil supply system to an automatic auxiliary boiler, will automatically shutdown if the boiler （）
A. steam demand is high
B. salinity is high
C. safety valve simmers
D. burner flame is extinguished
[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]Fuel injection uses the jet pump system and a Woodward type hydraulic （） is used to control engine speed.
A. controller
B. governor
C. instrument
D. apparatus
[单项选择]The fuel oil system for a diesel engine can be considered in two parts--the fuel supply and the （） systems.
A. fuel treatment
B. fuel combustion
C. fuel injection
D. fuel separating
[单项选择]Dirt in the fuel oil system of a diesel engine can cause （）.
A. clogged filters
B. poor combustion
C. overloading of the diesel
D. shock of fuel lines
[单项选择]Dirt in a fuel oil system of a diesel engine can cause （）
A. damage to strainers
B. over-speeding of the engine
C. excessive cooling of the engine
D. injector damage
[单项选择]In a commonly used fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.
A. a service tank
B. a settling tank
C. an expansion tank
D. a double bottom tank
[单项选择]In a typical fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.
A. a service tank
B. a collecting tank
C. a sump
D. a settling tank
[单项选择]In a typical fuel system, the oil is stored in （） in the double bottom.
A. setting tanks
B. service tanks
C. tanks
D. drain tanks
