Fuels and Combustion Naphthalene recovered from coke oven gas is used For making electrodes As moisture proof coating on fibres As moth balls (insecticides) As a fuel in furnaces For making electrodes As moisture proof coating on fibres As moth balls (insecticides) As a fuel in furnaces ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Quantity of coke produced from metallurgical coal may be around __________ percent. 95 30 50 75 95 30 50 75 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter is used to determine the (where, GCV - Gross Calorific Value. NCV - Net Calorific Value.) NCV at constant volume GCV at constant pressure GCV at constant volume NCV at constant pressure NCV at constant volume GCV at constant pressure GCV at constant volume NCV at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about __________ percent. 55 75 5 25 55 75 5 25 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 Chances of clinker formation Requirement of large volume combustion chamber Incomplete combustion of coal Risk of explosion Chances of clinker formation Requirement of large volume combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas compared to coke oven gas has Lower theoretical flame temperature Lower ignition temperature Narrower limit of inflammability Higher calorific value Lower theoretical flame temperature Lower ignition temperature Narrower limit of inflammability Higher calorific value ANSWER DOWNLOAD EXAMIANS APP