Fuels and Combustion The heat of combustion of a fuel Is equal to the heat of formation Is always positive Can't be known without calculating it Is always negative Is equal to the heat of formation Is always positive Can't be known without calculating it Is always negative ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When the coal is heated in absence of air, it is called its Coalification Gasification Deoxidation Carbonisation Coalification Gasification Deoxidation Carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO₂, 20%CO and 10%O₂. The percent excess oxygen used is 12.5 0 20 10 12.5 0 20 10 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pulverised coal used in boiler firing need not have Less moisture content 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 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Benzene is used As a perfume For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) As a motor fuel As an explosive As a perfume For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) As a motor fuel As an explosive ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in beehive coke oven is about 12 hours Two weeks One week 2-3 days 12 hours Two weeks One week 2-3 days ANSWER DOWNLOAD EXAMIANS APP
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