Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Sulphur penetration Oxidation/scaling Either of the above Decarburising Sulphur penetration Oxidation/scaling Either of the above Decarburising ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Rotary kilns are used in the Both A and B Calcination of limestone & dolomite Cement manufacture Neither A nor B Both A and B Calcination of limestone & dolomite Cement manufacture Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology A refractory wall separating the stock and the source of heat is provided in a Updraft kiln Continuous furnace Muffle furnace None of these Updraft kiln Continuous furnace Muffle furnace None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is a continuous furnace? Coke ovens Glass tank furnace None of these Annealing furnace Coke ovens Glass tank furnace None of these Annealing furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Combustion of furnace oil in a furnace (soaking pit) with preheated combustion air at 400°C results in saving of about __________ percent furnace oil as compared to its combustion with atmospheric air, if the flue gas outlet temperature from the soaking pit is 1200°C. 40 20 5 60 40 20 5 60 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. High frequency induction Low frequency induction Resistance Arc High frequency induction Low frequency induction Resistance Arc ANSWER DOWNLOAD EXAMIANS APP
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