Fuels and Combustion As the equilibrium moisture content of the coal increases, its Swelling number decreases Swelling number increases Bulk density decreases Calorific value increases Swelling number decreases Swelling number increases Bulk density decreases Calorific value increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fossil fuels mean Premature fuels with low calorific value Solid fuels Liquid fuels Those fuels which are found in the crust of earth Premature fuels with low calorific value Solid fuels Liquid fuels Those fuels which are found in the crust of earth ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which will have the least volatile matter and hence will be the most difficult to ignite? Coke Aanthracite Bituminous coal Semi-bituminous coal Coke Aanthracite Bituminous coal Semi-bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite coal Is essentially a coking coal Contains more volatile matter than bituminous coal Burns with short, bluish, yellow-tipped flame producing very little smoke Ignites more easily than bituminous coal Is essentially a coking coal Contains more volatile matter than bituminous coal Burns with short, bluish, yellow-tipped flame producing very little smoke Ignites more easily than bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Temperature of preheated air used for the transportation of pulverised coal through pipes to the burner of a boiler furnace is restricted to a maximum limit of about 300° C to avoid the Incomplete combustion of coal Risk of explosion Requirement of large volume combustion chamber Chances of clinker formation Incomplete combustion of coal Risk of explosion Requirement of large volume combustion chamber Chances of clinker formation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation of coal compared to low temperature carbonisation H₂ content in the coke oven gas is more Calorific value of the coke oven gas is lower Aromatic content of tar is low Yield of ammonia is less H₂ content in the coke oven gas is more Calorific value of the coke oven gas is lower Aromatic content of tar is low Yield of ammonia is less ANSWER DOWNLOAD EXAMIANS APP
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