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 750 950 500 1100 750 950 500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of nitrogen in combustion air does not reduce the Flue gas temperature Any of the above Flame temperature Amount of heat liberated Flue gas temperature Any of the above Flame temperature Amount of heat liberated ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less. Yield percentage of coke Yield of ammonia present in coke oven gas Difference in gross & net calorific value of the coke oven gas Free carbon content in tar Yield percentage of coke Yield of ammonia present in coke oven gas Difference in gross & net calorific value of the coke oven gas Free carbon content in tar ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high ash content Is not subjected to washing Is harder and stronger Has low quantity of mineral matter Has higher calorific value Is not subjected to washing Is harder and stronger Has low quantity of mineral matter Has higher calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature in air as compared to that in pure oxygen is Either lower or higher, depends on the type of fuel Same Much lower Much higher Either lower or higher, depends on the type of fuel Same Much lower Much higher ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking coal is desirable for All of these Burning on firebars Burning on travelling grate Coke making All of these Burning on firebars Burning on travelling grate Coke making ANSWER DOWNLOAD EXAMIANS APP
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