Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. Reduces the furnace draught All of these Increases the load on the induced draft fan Reduces the flue gas temperature and makes the furnace atmosphere oxidising Reduces the furnace draught All of these Increases the load on the induced draft fan Reduces the flue gas temperature and makes the furnace atmosphere oxidising ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs an I.D. fan for the removal of flue gases from the furnace? High pressure boiler Beehive coke oven Blast furnace stoves Coke oven High pressure boiler Beehive coke oven Blast furnace stoves Coke oven ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An electric furnace producing heat by means of an electric arc struck between each of three electrodes and the charge is called __________ furnace. Resistance Low frequency induction None of these Arc Resistance Low frequency induction None of these Arc ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In practical operation of any furnace, zero oxygen percentage or theoretical CO₂ percentage in flue gas is rarely achieved, because of Imperfect mixing of fuel & air and infiltration of air Use of excessive positive draft in the furnace Use of pulverised solid fuels Use of non-preheated combustion air Imperfect mixing of fuel & air and infiltration of air Use of excessive positive draft in the furnace Use of pulverised solid fuels Use of non-preheated combustion air 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. Arc Resistance Low frequency induction High frequency induction Arc Resistance Low frequency induction High frequency induction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Calcination of limestone to produce lime is done in a __________ kiln. Both B and C Tunnel Vertical shaft Rotary Both B and C Tunnel Vertical shaft Rotary ANSWER DOWNLOAD EXAMIANS APP
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