Furnace Technology Heat transfer takes place through a liquid medium surrounding the submerged material under heating, in case of a/an Blast furnace Steam boiler Annealing furnace Salt bath furnace Blast furnace Steam boiler Annealing furnace Salt bath furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. 65-70 45-50 44119 25-30 65-70 45-50 44119 25-30 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In which of the waste heat recovery equipment, the flow of flue gas and air is alternately reversed after a fixed interval of time? Waste heat boiler Recuperator Regenerator None of these Waste heat boiler Recuperator Regenerator None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of an open hearth furnace may be about __________ percent. 80 50 20 5 80 50 20 5 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 In furnaces operating at very high temperature (say) 1250°C, e.g. soaking pit), the maximum heat transfer takes place by Conduction Can not be predicted Convection Radiation Conduction Can not be predicted Convection Radiation ANSWER DOWNLOAD EXAMIANS APP
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