Furnace Technology Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. 65-70 44119 45-50 25-30 65-70 44119 45-50 25-30 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 Rotary kilns are used in the Both A and B Neither A nor B Calcination of limestone & dolomite Cement manufacture Both A and B Neither A nor B Calcination of limestone & dolomite Cement manufacture ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In salt bath furnace, heat is transferred to the charge mainly by None of these Radiation Conduction Convection None of these Radiation Conduction Convection ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not an additive for flue gases from furnace to reduce its dew-point? Alkaline powders Ammonia Fine dolomite None of these Alkaline powders Ammonia Fine dolomite None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Recuperator is An intermittant waste heat recovery equipment Not used for fuel gas preheating A continuous waste heat recovery equipment Heavier than regenerator meant for the same duty An intermittant waste heat recovery equipment Not used for fuel gas preheating A continuous waste heat recovery equipment Heavier than regenerator meant for the same duty ANSWER DOWNLOAD EXAMIANS APP
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