更多"The amount of fuel delivered for ea"的相关试题:
[单项选择]The amount of fuel delivered by a helical plunger fuel injection pump is controlled by （）
A. varying the pump discharge pressure
B. varying the pump return pressure
C. rotation of the pump plunger
D. rotation of the pump barrel
[单项选择]The amount of fuel delivered by a unit injector is controlled by the （）
A. camshaft
B. main spring
C. rack position
D. nozzle orifice size
[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]Injectors for use with heavy fuel oil must be cooled by either water or light oil to （）
A. prevent heat corrosion to internal components
B. increase fuel delivery rate and economy
C. prevent pre-ignition
D. avoid carbonization of the nozzle tips
[单项选择]The work fuel does in each working cycle can be obtained by taking the （）.
A. precautions
B. rpm
C. indicator cards
D. B and C
[单项选择]How must each storage tank for helicopter fuel on a ship be marked?（）
A. DANGER - KEEP AWAY
B. DANGER - EXPLOSIVE VAPORS
C. DANGER - NO SMOKING
D. DANGER - FLAMMABLE LIQUID
[单项选择]Fuel injection equipment must be kept in good condition, timed correctly, and the （）in each cylinder must also be carefully balanced so that individual cylinders are not overloaded.
A. MIP
B. MCR
C. MEP
D. BHP
[单项选择]In a diesel engine, fuel must be broken up into a spray of fine droplets to （）.
A. increase its quality
B. obtain complete burning
C. reduce its weight
D. all of the above
[单项选择]Fuel oil tanks must be fitted with （） that can be closed rapidly and remotely in the event of an emergency such as a fire.
A. stop valves
B. non-return valves
C. quick closing valves
D. relief valves
[单项选择]Each OSV must carry（）.
A. one category I 406 Mhz satellite EPIRB
B. at least one life buoy on each side of the vessel fitted with a buoyant life line
C. at least 12 rocket parachute flares
D. All of the above
[单项选择]The amount of fluid delivered by a positive displacement pump can be regulated by （）.
A. throttling the pressure line
B. changing the speed of the driving rotor
C. either A or B
D. None of the above is tree
[单项选择]The amount of fluid delivered by a reciprocating pump can be regulated by （）.
A. throttling the pressure line
B. changing the speed of the piston
C. either A or B
D. None of the above is tree
[单项选择]The amount of fluid delivered by a centrifugal pump can be regulated by （）.
A. throttling the pressure line
B. changing the speed of the rotor
C. either A or B
D. None of the above is tree
[单项选择]Each lifeboat must be lowered and maneuvered in the water at least once every（）.
A. 2 months
B. 3 months
C. 4 months
D. 5 months
[单项选择]The amount of fluid delivered by a helical pump can be regulated by （）.
A. throttling the pressure line
B. changing the speed of the rotor
C. either A or B
D. None of the above is tree
[单项选择]The amount of fluid delivered by a screw pump can be regulated by （）.
A. throttling the pressure line
B. changing the speed of the rotor
C. either A or B
D. None of the above is tree
[单项选择]The fuel from the bunker tanks must be treated by before entering the service tanks（）, from where the fuel enters（）
A. centrifugal separators; the engine cylinder
B. oily water separators; the engine cylinder
C. oily water separators; the fuel supply system
D. centrifuges; the fuel supply system
[单项选择]The amount of fluid delivered by a gear pump can be regulated by （）.
A. throttling the pressure line
B. changing the speed of the rotor
C. either A or B
D. None of the above is true
