A、keeps sparks from falling into an open tank
B、secures covers on ullage openings
C、prevents sparks from getting out of an engine's exhaust system
D、grounds static electricity
更多“A spark arrestor（）.”相关的问题
A、keeps sparks from falling into an open tank B、secures covers on ullage openings C、prevents sparks from getting out of an enging's exhaust system D、grounds static electicity
A、A.keeps sparks from falling into an open tank B、B.secures covers on ullage openings C、C.prevents sparks from getting out of an engine's exhaust system D、D.grounds static electricity
A、increasing the linear velocity of the exhaust gases B、changing directions of exhaust gas flow C、decreasing the temperature of the exhaust gases D、accelerating the exhaust gas through a reduced size orifice
A、sparking being taking place B、to spark taking place C、sparking to be taken place D、sparking taking place
A、Break the joint in the fuel line at the engine and let the gas run in the bilges B、Disconnect the wires at the spark plugs and make the spark jump the gap C、Prime the engine with ether through spark plug openings D、Ventilate the space，then check the battery，spark plugs，carburetor，and fuel line
A、can not be ignited by a spark unless the vapor is in a confined space B、are nontoxic in all concentrations C、can not be ignited by a spark unless they are at their auto-ignition temperature D、are heavier than air
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