Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Neither A nor B Caking power Both A & B Calorific value Neither A nor B Caking power Both A & B Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Rate of low temperature oxidation of coal due to bad storage conditions Does not vary with increase in surface area Is accelerated by storage in large heaps with small surface to volume ratio Decreases with increase in surface area Is more for low volatile coal compared to high volatile coal Does not vary with increase in surface area Is accelerated by storage in large heaps with small surface to volume ratio Decreases with increase in surface area Is more for low volatile coal compared to high volatile coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not endothermic? Partial oxidation Cracking Gasification Reforming Partial oxidation Cracking Gasification Reforming ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal All of these Coke oven gas yield is more Tar yield is less but free carbon in tar is more Calorific value of coke oven gas is less All of these Coke oven gas yield is more Tar yield is less but free carbon in tar is more Calorific value of coke oven gas is less ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Wind loss' resulting from unscientific storage of coal may be the order of about __________ percent. 7.5 14.5 10.5 2.5 7.5 14.5 10.5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is heated in presence of air to a temperature of about __________ °C, while determining its ash content for proximate analysis. 1100 500 750 950 1100 500 750 950 ANSWER DOWNLOAD EXAMIANS APP
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