Fuels and Combustion Increase in ash content of blast furnace coke Reduces its consumption in the furnace Increases its consumption in the furnace Does not affect its consumption in the furnace Decreases its hardness and abrasion resistance Reduces its consumption in the furnace Increases its consumption in the furnace Does not affect its consumption in the furnace Decreases its hardness and abrasion resistance ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of the coal blend used for the manufacture of metallurgical coke should be around 21 40 48 5 21 40 48 5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fertilisers is produced in the by-products recovery (from coke oven gas) plant attached to an integrated steel plant? Ammonium phosphate Ammonium sulphate None of these Ammonium nitrate Ammonium phosphate Ammonium sulphate None of these Ammonium nitrate ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following would require least amount of secondary air for combustion? Semi-bituminous coal containing 25% ash and 20% volatile matter Anthracite containing 10% volatile matter and 8% ash Bituminous coal containing 20% ash and 25% volatile matter Coke breeze containing 25% ash and 2% volatile matter Semi-bituminous coal containing 25% ash and 20% volatile matter Anthracite containing 10% volatile matter and 8% ash Bituminous coal containing 20% ash and 25% volatile matter Coke breeze containing 25% ash and 2% volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A certain thickness of the coal, if stored unscientifically on soft (katcha) ground having no metallic/concrete flooring gets sunked into the ground, which is termed as the 'carpet loss'. The carpet loss may be of the order of __________ cms. 20 to 40 1 to 2 3 to 4 5 to 15 20 to 40 1 to 2 3 to 4 5 to 15 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion C/H ratio is the maximum in case of Furnace oil Coal Natural gas Naphtha Furnace oil Coal Natural gas Naphtha ANSWER DOWNLOAD EXAMIANS APP
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