Furnace Technology __________ atmosphere is maintained inside an iron blast furnace. Oxidising Decarburising Reducing Inert Oxidising Decarburising Reducing Inert ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In reverberatory furnace, charge is heated mainly by Radiation of heat from the roof of the combustion chamber Natural convection None of these Conduction Radiation of heat from the roof of the combustion chamber Natural convection None of these Conduction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Shaft furnaces are used for Smelting Calcining All of these Roasting Smelting Calcining All of these Roasting ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The electric furnace in which heat is produced by a combination of induced current and skin effect is called __________ furnace. Low frequency induction Arc High frequency induction Resistance Low frequency induction Arc High frequency induction Resistance ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of muffle furnace depends on the Properties of the muffle wall (temperature, area, emissivity) Surface area & emissivity of the stock Both A & B Neither A nor B Properties of the muffle wall (temperature, area, emissivity) Surface area & emissivity of the stock Both A & B Neither A nor B 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 Low emissivity Both A and B Neither A nor B High thermal conductivity Low emissivity Both A and B Neither A nor B High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP