Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Both A & B Calorific value Caking power Neither A nor B Both A & B Calorific value Caking power Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Short/intense flame is produced during combustion of gaseous fuel by using Low amount/current of combustion air Very little excess air High amount/current of combustion air Preheated secondary air Low amount/current of combustion air Very little excess air High amount/current of combustion air Preheated secondary air 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 25 5 75 55 25 5 75 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal containing high amount of volatile matter will have Low adiabatic flame temperature High fusion point of its ash Low ignition temperature Very little ash content Low adiabatic flame temperature High fusion point of its ash Low ignition temperature Very little ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene recovered from coke oven gas is used As a fuel in furnaces As moth balls (insecticides) As moisture proof coating on fibres For making electrodes As a fuel in furnaces As moth balls (insecticides) As moisture proof coating on fibres For making electrodes ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Cannel coal and boghead coal are the examples of None of these Sapropelic coals Humic coals Liptobiolites None of these Sapropelic coals Humic coals Liptobiolites ANSWER DOWNLOAD EXAMIANS APP