Fuels and Combustion Insitu theory and drift theory are related to the Variation of coal quality with depth Origin of coal Coalification Origin of petroleum oil Variation of coal quality with depth Origin of coal Coalification Origin of petroleum oil ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ process is meant for direct hydrogenation of coal to produce liquid fuel. Bergius Fischer-Tropsch Lurgi None of these Bergius Fischer-Tropsch Lurgi None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gobar gas is produced by the __________ of cown dung. None of these Fermentation Oxidation Hydrogenation None of these Fermentation Oxidation Hydrogenation 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 Blast furnace gas Bituminous coal Fuel oil Pitch Blast furnace gas Bituminous coal Fuel oil ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ratio of primary air to secondary air increases with increase in the rank of coal, because the High rank coals have higher amount of volatile matter Calorific value of the coal increases Oxygen content progressively decreases Ratio of fixed carbon to volatile matter increases High rank coals have higher amount of volatile matter Calorific value of the coal increases Oxygen content progressively decreases Ratio of fixed carbon to volatile matter increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon Is more difficult to ignite and produces a shorter flame Is less liable to spontaneous combustion on storage None of these Requires smaller combustion space and less secondary air Is more difficult to ignite and produces a shorter flame Is less liable to spontaneous combustion on storage None of these Requires smaller combustion space and less secondary air ANSWER DOWNLOAD EXAMIANS APP
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