A、A.if there is sufficient oxygen to support life
B、B.the toxicity of flammable gases or vapors
C、C.the amount of CO2 present in flue gas
D、D.the presence of flammable gases or vapors in the air
更多“A combustible gas indicator is used to determine （）.”相关的问题
A、An oxygen indicator B、A combustible gas indicator C、A combination combustible gas and oxygen indicator D、A flame safety lamp
A、prevent the generation of flammable or combustible gas in tanks B、blow out cargo lines to prevent gas concentrations C、dilute tank atmospheres to keep gas concentrations below the lower explosive limit D、prevent fires in the pumproom by continually displacing flammable vapors
A、prevents spark generation B、removes combustible gases C、determines the level of combustible gases D、provides inert gas generation in crankcase
A、A.prevent the generation of flammable or combustible gas in tanks B、B.blow out cargo lines to prevent the build up of gas concentrations C、C.dilute tank atmospheres to keep gas concentrations below the lower explosive limit D、D.prevent fires in the pumproom by continually displacing flammable vapors
A、reduce gas flow turbulence B、prevent exhaust gas corrosion C、increase the rate of combustion D、increase the rate of heat transfer
A、ensure penetration and distribution of the fuel in the combustion chamber B、ensure the needle valve is flushed clean during each injection C、prevent combustion gas blowback into the open needle valve D、prevent reflected pressure waves when the needle valve closes
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