Fuels and Combustion Washing of coal decreases its Ash content Both B and C Mineral matter content Caking index Ash content Both B and C Mineral matter content Caking index ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sulphur in metallurgical coal Affects the quality of steel produced as cracks develop on the surface while rolling the steel Contributes to its heating value Both A and B Neither A nor B Affects the quality of steel produced as cracks develop on the surface while rolling the steel Contributes to its heating value Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Insitu theory and drift theory are related to the Coalification Variation of coal quality with depth Origin of coal Origin of petroleum oil Coalification Variation of coal quality with depth Origin of coal Origin of petroleum oil ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stack (chimney) height in a big thermal power plant is dictated by the Limitation of constructional facilities Draught to be created Pollution control aspect None of these Limitation of constructional facilities Draught to be created Pollution control aspect None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Highly caking coals Both B and C Produce weak coke May damage the coke oven walls during carbonisation Produce strong coke Both B and C Produce weak coke May damage the coke oven walls during carbonisation Produce strong coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sometimes water is sprayed during coal charging in the coke oven, which helps in Prevention of clinker formation in the oven Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) All of these Controlling the dust nuisance while charging the coal Prevention of clinker formation in the oven Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) All of these Controlling the dust nuisance while charging the coal ANSWER DOWNLOAD EXAMIANS APP
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