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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
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更多 “ A safe fuel system must ______.A.prevent engine overheatingB.have proper air/gasoline fuel mixture ratioC.be liquid- and vapor-tightD.supply sufficient air to the intake manifold ” 相关考题
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单选题The term “proper metering”, as applied to a diesel fuel injection system, can be best defined as （）.A
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单选题A safe fuel system must（）.A
prevent engine overheatingB
have proper air/gasoline fuel mixture ratioC
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supply sufficient air to the intake manifold
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单选题If a diesel engine turned over at normal cranking speed but failed to start, the cause could be late fuel injection or （）A
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单选题Gasoline fuel tank vents should terminate（）.A
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at the most convenient location
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单选题If you suspect a diesel engine is misfiring due to air leakage into the fuel system, you should begin looking for the leak at the （）A
fuel line connections to cylinder injection valvesB
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单选题If the engine of a survival craft does not start，check to see（）.A
that the fuel valve is openB
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prolong the ignition delay periodB
ensure the beginning of fuel injectionC
thoroughly utilize the air chargeD
allow controlled fuel combustion
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proper fuel meteringB
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单选题Air in the fuel lines to the fuel injection nozzles of a diesel engine will cause the engine to （）A
burn excessive amounts of lube oilB
overheat without smokingC
operate with reduce power or stopD
run away without load
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