Fuels and Combustion Highly caking coals Produce strong coke Both B and C May damage the coke oven walls during carbonisation Produce weak coke Produce strong coke Both B and C May damage the coke oven walls during carbonisation Produce weak coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Number of macrocomponents present in coal according to Stopes are Five Four Two Six Five Four Two Six ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of __________ the flame temperature. Either the fuel or the air or both, increases The gaseous fuel before combustion decreases Either the fuel or the air does not affect Combustion air decreases Either the fuel or the air or both, increases The gaseous fuel before combustion decreases Either the fuel or the air does not affect Combustion air decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a by-product recovered in a high temperature coal carbonisation plant? Pitch-cresosote mixture (PCM) Benzol Ethylene Napthalene Pitch-cresosote mixture (PCM) Benzol Ethylene Napthalene ANSWER DOWNLOAD EXAMIANS APP
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 Which of the following would require maximum amount of % excess air for complete combustion? Pulverised coal Coke oven gas Furnace oil Lump coal (fixed on chain grate) Pulverised coal Coke oven gas Furnace oil Lump coal (fixed on chain grate) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS