Fuels and Combustion Bright coal Is non-coking Contains more than 90% durain Contains mainly vitrain & clarain and is generally coking Contains more than 90% fussain Is non-coking Contains more than 90% durain Contains mainly vitrain & clarain and is generally coking Contains more than 90% fussain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Fat' coal means a coal having Non smoking tendency Low calorific value High volatile matter Low ash content Non smoking tendency Low calorific value High volatile matter Low ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas constitutes mainly of H₂ & CO₂ H₂ & CO H₂ & CH₄ CH₄ & CO H₂ & CO₂ H₂ & CO H₂ & CH₄ CH₄ & CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Increase in ash content of blast furnace coke Increases its consumption in the furnace Does not affect its consumption in the furnace Reduces its consumption in the furnace Decreases its hardness and abrasion resistance Increases its consumption in the furnace Does not affect its consumption in the furnace Reduces its consumption in the furnace Decreases its hardness and abrasion resistance ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher fuel combustion efficiency can not be achieved by Reducing sulphur content in the fuel Adopting proper fuel firing technique & fuel preparation Preheating of fuel gases & combustion air Supplying correct amount of combustion air Reducing sulphur content in the fuel Adopting proper fuel firing technique & fuel preparation Preheating of fuel gases & combustion air Supplying correct amount of combustion air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene is used for making Unsaturated polyesters Drug intermediates e.g. β-naphthol All of these Insecticides (e.g. moth balls) Unsaturated polyesters Drug intermediates e.g. β-naphthol All of these Insecticides (e.g. moth balls) ANSWER DOWNLOAD EXAMIANS APP
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