Fuels and Combustion Insitu theory and drift theory are related to the Origin of petroleum oil Origin of coal Variation of coal quality with depth Coalification Origin of petroleum oil Origin of coal Variation of coal quality with depth Coalification ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal is accelerated by the Storage in large heaps All of these Absence of porous or friable particles Storage in compressed piles Storage in large heaps All of these Absence of porous or friable particles Storage in compressed piles ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Theoretical flame temperature of a fuel is that temperature which is attained, when the fuel is completely burnt 'using theoretical amount of air in Air Either A or B Either A or C without gain or loss of heat Oxygen Air Either A or B Either A or C without gain or loss of heat Oxygen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the equilibrium moisture content of the coal increases, its Swelling number increases Swelling number decreases Calorific value increases Bulk density decreases Swelling number increases Swelling number decreases Calorific value increases Bulk density decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C. 400-500 900-1000 1400-1500 1700-1800 400-500 900-1000 1400-1500 1700-1800 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The difference between total carbon and fixed carbon of coal will be minimum in case of Anthracite High temperature coke (V.M < 0.5%) Bituminous coal Lignite Anthracite High temperature coke (V.M < 0.5%) Bituminous coal Lignite ANSWER DOWNLOAD EXAMIANS APP
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