Fuels and Combustion Height of coke oven is limited (say maximum upto 7 metres) mainly by the Structural strength of silica bricks Problem in door cleaning Problem of uniform heating along its height Buckling of ram of pusher car at the time of coke pushing Structural strength of silica bricks Problem in door cleaning Problem of uniform heating along its height Buckling of ram of pusher car at the time of coke pushing ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Catalyst used in Fischer-Tropsch process is Nickel Thorium oxide Alumina Zinc oxide Nickel Thorium oxide Alumina Zinc oxide ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not increased by using preheated combustion air in place of ordinary air at room temperature? Speed of combustion of fuel Calorific value of the fuel Flame temperature achieved Heat transfer rate to the stock in the furnace Speed of combustion of fuel Calorific value of the fuel Flame temperature achieved Heat transfer rate to the stock in the furnace ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Adiabatic flame temperature of a fuel is dependent on the initial temperature of Air Both A & B Neither A nor B Fuel Air Both A & B Neither A nor B Fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Fat' coal means a coal having Non smoking tendency High volatile matter Low calorific value Low ash content Non smoking tendency High volatile matter Low calorific value Low ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke having higher porosity has Lower strength Lower bulk density Higher reactivity All of these Lower strength Lower bulk density Higher reactivity All of these ANSWER DOWNLOAD EXAMIANS APP