Furnace Technology In furnaces operating at very high temperature (say) 1250°C, e.g. soaking pit), the maximum heat transfer takes place by Radiation Convection Can not be predicted Conduction Radiation Convection Can not be predicted Conduction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thickness of stock does not affect the fuel economy of furnaces, if the material to be heated is of High thermal conductivity Both A and B Low emissivity Neither A nor B High thermal conductivity Both A and B Low emissivity Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace, the heat taken by the charge/stock and the heat lost to the furnace structure & flue gases depends on the Rate of firing and emissivity of flame All of these Thermal conductivity of the charge & structural materials of furnace Nature of process ; whether batch, continuous or intermittant Rate of firing and emissivity of flame All of these Thermal conductivity of the charge & structural materials of furnace Nature of process ; whether batch, continuous or intermittant ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The function of an economiser in a boiler is to preheat the Pulverised coal Furnace oil Feedwater Combustion air Pulverised coal Furnace oil Feedwater Combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ostwald charts are meant for None of these Calculation of flue gas temperature Computation of flue gas analysis Computing the excess/deficiency of combustion air None of these Calculation of flue gas temperature Computation of flue gas analysis Computing the excess/deficiency of combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a rotary furnace? Annealing furnace Soaking pit Stoves Lime kiln Annealing furnace Soaking pit Stoves Lime kiln ANSWER DOWNLOAD EXAMIANS APP