Fuels and Combustion Fuel combustion is never cent per cent efficient due to Moisture loss All of these Incomplete combustion Dry gas/stack gas loss Moisture loss All of these Incomplete combustion Dry gas/stack gas loss ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal is most disadvantageous during Its pulverisation (as it requires more power) Handling (e.g. when emptying wagons) Combustion of fire slacks on the grates None of these Its pulverisation (as it requires more power) Handling (e.g. when emptying wagons) Combustion of fire slacks on the grates None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The heat of combustion of a fuel Can't be known without calculating it Is always negative Is always positive Is equal to the heat of formation Can't be known without calculating it Is always negative Is always positive Is equal to the heat of formation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke having higher porosity has Lower strength All of these Higher reactivity Lower bulk density Lower strength All of these Higher reactivity Lower bulk density ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in narrow by-product coke ovens is around __________ hours. 80 8 48 18 80 8 48 18 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas compared to coke oven gas has Narrower limit of inflammability Higher calorific value Lower theoretical flame temperature Lower ignition temperature Narrower limit of inflammability Higher calorific value Lower theoretical flame temperature Lower ignition temperature ANSWER DOWNLOAD EXAMIANS APP
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