Fuels and Combustion Pulverised coal used in boiler firing need not have High bulk density Lower ash content High fusion point of its ash Less moisture content High bulk density Lower ash content High fusion point of its ash Less moisture content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a primary fuel? Blast furnace coke Wood charcoal Gasoline Natural gas Blast furnace coke Wood charcoal Gasoline Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke Should have low fusion point of its ash Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should have high porosity Should be brittle Should have low fusion point of its ash Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should have high porosity Should be brittle ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following fuels, the difference between the net and gross calorific value is maximum in case of Pitch Fuel oil Blast furnace gas Bituminous coal Pitch Fuel oil Blast furnace gas Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. 350 to 450 550 to 650 100 to 150 700 to 850 350 to 450 550 to 650 100 to 150 700 to 850 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gobar gas is produced by the __________ of cown dung. None of these Oxidation Fermentation Hydrogenation None of these Oxidation Fermentation Hydrogenation ANSWER DOWNLOAD EXAMIANS APP