Fuels and Combustion Naphthalene recovered from coke oven gas is used As moisture proof coating on fibres As a fuel in furnaces As moth balls (insecticides) For making electrodes As moisture proof coating on fibres As a fuel in furnaces As moth balls (insecticides) For making electrodes ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation of coal produces Metallurgical coke No by-products Soft coke Very low calorific value coke oven gas Metallurgical coke No by-products Soft coke Very low calorific value coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The cuprous chloride used in orsat apparatus can absorb Both CO and CO₂ Only CO Both CO and O₂ All of these Both CO and CO₂ Only CO Both CO and O₂ All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Most of the coking coals are Anthracite Bituminous Lignite None of these Anthracite Bituminous Lignite None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of producer gas is around __________ kcal/Nm³ 500 4500 9000 1300 500 4500 9000 1300 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following petrographic constituents of coal is non-coking? Vitrain Durain Clarain Fussain Vitrain Durain Clarain Fussain ANSWER DOWNLOAD EXAMIANS APP
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