Fuels and Combustion Naphthalene recovered from coke oven gas is used As moth balls (insecticides) As a fuel in furnaces For making electrodes As moisture proof coating on fibres As moth balls (insecticides) As a fuel in furnaces For making electrodes As moisture proof coating on fibres ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion KOH solution used in orsat apparatus absorbs CO₂ Neither A nor B SO₂ Both A & B CO₂ Neither A nor B SO₂ Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal All of these Improves its coking properties Reduces its sulphur and ash content Controls its ash fusibility and increases its calorific value All of these Improves its coking properties Reduces its sulphur and ash content Controls its ash fusibility and increases its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Purity of coke means that, it is high in carbon and low in Ash Iron Volatiles Moisture Ash Iron Volatiles Moisture ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Weathering of coal during storage causes All of these Decrease in its caking capacity Reduction in coal size Increase in its friability All of these Decrease in its caking capacity Reduction in coal size Increase in its friability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Commercial production of petrol from coal (as practised in a factory at Sasol in South Africa) is done by the __________ of coal. None of these Hydrogenation Carbonisation Gasification None of these Hydrogenation Carbonisation Gasification ANSWER DOWNLOAD EXAMIANS APP
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