Fuels and Combustion A coal having higher volatile matter content, has lower Chance of catching fire during storage in open space Ignition temperature Smoking tendency on burning Coke oven gas yield on carbonisation Chance of catching fire during storage in open space Ignition temperature Smoking tendency on burning Coke oven gas yield on carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficient burning of anthracite coal requires Low preheat of air All of these High excess air Fine grinding Low preheat of air All of these High excess air Fine grinding ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High sulphur content in a fuel __________ of the flue gases. Both B & C Reduces the combustion efficiency by limiting the permissible temperature reduction Decreases the dew point Increases the dew point Both B & C Reduces the combustion efficiency by limiting the permissible temperature reduction Decreases the dew point Increases the dew point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the equilibrium moisture content of the coal increases, its Calorific value increases Bulk density decreases Swelling number decreases Swelling number increases Calorific value increases Bulk density decreases Swelling number decreases Swelling number increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal? Fussain Durain Vitrain Clarain Fussain Durain Vitrain Clarain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ash content in the coke produced from a coking coal having 20% ash may be around __________ percent. 6 18 12 24 6 18 12 24 ANSWER DOWNLOAD EXAMIANS APP
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