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单选题
The amount of fuel delivered for each cycle must be in accordance with the engine load, and the same quantity of fuel must be delivered to each cylinder for each power stroke at that load.Which of the following statements describes this requirement?（）
A
Proper timing
B
Accurate metering
C
Suitable injection rate
D
Suitable atomization rate
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单选题How must each storage tank for helicopter fuel on a ship be marked?（）A
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单选题Each hose in the fuel transfer system for helicopter refueling must have a（）.A
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ensure penetration and distribution of the fuel in the combustion chamberB
ensure the needle valve is flushed clean during each injectionC
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fireman's outfitB
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单选题A diesel engine will lose power if fuel injection occurs too late in the cycle, because the（）A
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单选题The notice of casualty to a ship must include（）.A
a request for assistanceB
the location of the unit at the time of the casualtyC
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the amount of fuel remaining
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单选题A fire main system must have enough fire hydrants so that each accessible space may be sprayed with（）.A
a low velocity spray applicatorB
a water spray or solid streamC
at least two spray patterns of waterD
at least 25 psi delivered pressure
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单选题The amount of fuel delivered by a helical plunger fuel injection pump is controlled by （）A
varying the pump discharge pressureB
varying the pump return pressureC
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rotation of the pump barrel
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单选题Fuel is delivered into the combustion space by （）.A
a cooling systemB
a lubricating systemC
an electric systemD
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单选题Each hose in the fuel transfer system for helicopter refueling must meet the standards of the（）.A
Federal Aviation AdministrationB
Corps of EngineersC
National Fire Protection AssociationD
National Transportation Safety Board
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