Furnace Technology The electric furnace in which heat is produced by a combination of induced current and skin effect is called __________ furnace. High frequency induction Low frequency induction Resistance Arc High frequency induction Low frequency induction Resistance Arc ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures. 350 1050 750 1250 350 1050 750 1250 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a directly fired intermittant furnace? Tunnel kiln Tower furnace Walking beam reheating furnace Reverberatory furnace Tunnel kiln Tower furnace Walking beam reheating furnace Reverberatory furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a natural draft furnace? Sintering furnace Blast furnace stoves Power plant boilers None of these Sintering furnace Blast furnace stoves Power plant boilers None of these 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 Thermal conductivity of the charge & structural materials of furnace All of these Rate of firing and emissivity of flame Nature of process ; whether batch, continuous or intermittant Thermal conductivity of the charge & structural materials of furnace All of these Rate of firing and emissivity of flame Nature of process ; whether batch, continuous or intermittant ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Maximum heat transfer in high temperature furnaces is by Radiation Conduction Either A, B or C; depends on the type of furnace Convection Radiation Conduction Either A, B or C; depends on the type of furnace Convection ANSWER DOWNLOAD EXAMIANS APP