Fuels and Combustion Which of the following constituents of coal is the most important in the production of coke? Carbon Volatiles Moisture Ash Carbon Volatiles Moisture Ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the least calorific value (kcal/Nm³) ? Coke oven gas Blast furnace gas Natural gas Sewage gas Coke oven gas Blast furnace gas Natural gas Sewage gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Quantity of coke produced from metallurgical coal may be around __________ percent. 95 75 30 50 95 75 30 50 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High rate of heating of coke ovens May damage its walls due to abrupt excessive swelling of coal None of these Produces larger size coke Increases the time of carbonisation May damage its walls due to abrupt excessive swelling of coal None of these Produces larger size coke Increases the time of carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite can be used for All of these Recarbonising steel Blending with highly coking coal to check its swelling which helps in saving coke even walls from damage and to produce high strength coke Making carbon electrodes All of these Recarbonising steel Blending with highly coking coal to check its swelling which helps in saving coke even walls from damage and to produce high strength coke Making carbon electrodes ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During its calorific value determination by bomb calorimeter, coal is combusted by Oxygen enriched air Air Oxygen None of these Oxygen enriched air Air Oxygen None of these ANSWER DOWNLOAD EXAMIANS APP