Furnace Technology Oxygen enrichment of combustion air does not result in increase of the Stack loss Flame temperature Oxygen in the flue gas Heat transfer rate in the furnace Stack loss Flame temperature Oxygen in the flue gas Heat transfer rate in the furnace 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 Neither A nor B Both A & B Properties of the muffle wall (temperature, area, emissivity) Surface area & emissivity of the stock Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 5% H₂ + 9% N₂ 100 %H₂ 100% CO 95% N₂ + 5% H₂ 5% H₂ + 9% N₂ 100 %H₂ 100% CO 95% N₂ + 5% H₂ ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an __________ furnace. Sidefired Underfired Recirculating Covered Sidefired Underfired Recirculating Covered ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Main gas valve in a gaseous fuel burner is a __________ valve. Gate None of these Globe Butterfly Gate None of these Globe Butterfly ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs natural draft? Coke oven Boiler L.D. converter Rotary kilns Coke oven Boiler L.D. converter Rotary kilns ANSWER DOWNLOAD EXAMIANS APP
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