Fuels and Combustion Which of the following is a primary fuel? Natural gas Wood charcoal Blast furnace coke Gasoline Natural gas Wood charcoal Blast furnace coke Gasoline ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal is most disadvantageous during None of these Handling (e.g. when emptying wagons) Combustion of fire slacks on the grates Its pulverisation (as it requires more power) None of these Handling (e.g. when emptying wagons) Combustion of fire slacks on the grates Its pulverisation (as it requires more power) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pulverised coal used in boiler firing need not have Less moisture content Lower ash content High fusion point of its ash High bulk density Less moisture content Lower ash content High fusion point of its ash High bulk density ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Abel apparatus is used for those oils, whose flash points are___°F. 300-600 >120 >280 300-600 >120 >280 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation Produces higher quantity of gas than high temperature carbonisation Is meant for the production of 'metallurgical coke' Produces less quantity of tar than high temperature carbonisation Is mainly for producing the smokeless domestic coke Produces higher quantity of gas than high temperature carbonisation Is meant for the production of 'metallurgical coke' Produces less quantity of tar than high temperature carbonisation Is mainly for producing the smokeless domestic coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene is used for making All of these Insecticides (e.g. moth balls) Unsaturated polyesters Drug intermediates e.g. β-naphthol All of these Insecticides (e.g. moth balls) Unsaturated polyesters Drug intermediates e.g. β-naphthol ANSWER DOWNLOAD EXAMIANS APP