Fuels and Combustion A coal that softens and fuses on heating is Caking Non-caking Classified Carbonised Caking Non-caking Classified Carbonised ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Softening temperature of coal ash is a measure of the __________ of coal. Coking tendency Clinkering tendency Caking tendency Size stability Coking tendency Clinkering tendency Caking tendency Size stability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of None of these Ammonia Benzol Tar None of these Ammonia Benzol Tar ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is Tar Coke oven gas Pulverised coke Pitch Tar Coke oven gas Pulverised coke Pitch ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent. In between 37 & 71% >71% None of these < 37% In between 37 & 71% >71% None of these < 37% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Caking power Neither A nor B Both A & B Calorific value Caking power Neither A nor B Both A & B Calorific value ANSWER DOWNLOAD EXAMIANS APP
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