Furnace Technology In a furnace operation, which is not preheated? Neither A nor B Both A and B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Solid fuels Neither A nor B Both A and B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Solid fuels ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology __________ atmosphere is maintained inside an iron blast furnace. Reducing Oxidising Decarburising Inert Reducing Oxidising Decarburising Inert ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures. 750 350 1050 1250 750 350 1050 1250 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. Low frequency induction Arc High frequency induction Resistance Low frequency induction Arc High frequency induction Resistance ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Waste heat from the outgoing flue gases in a thermal power plant is recovered by a/an All of these Steam superheater Air preheater Economiser All of these Steam superheater Air preheater Economiser ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of Zircon powder Graphite powder Thoria Beryllium Zircon powder Graphite powder Thoria Beryllium ANSWER DOWNLOAD EXAMIANS APP
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