A、over an electrically heated platinum filament
B、where it is mixed with nitrogen
C、where it is ignited by a sparking device
D、where its specific gravity is measured
更多“Combustible gas indicators operate by drawing an air sample into the instrument（）.”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、prevents spark generation B、removes combustible gases C、determines the level of combustible gases D、provides inert gas generation in crankcase
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、canister-type gas mask B、fresh-air breathing apparatus C、self-contained breathing apparatus D、combustible gas indicator
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
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