Furnace Technology Fuel used in B.F. stove is Furnace oil Pulverised coal Coke oven gas Blast furnace gas/mixed gas Furnace oil Pulverised coal Coke oven gas Blast furnace gas/mixed gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent. 40 20 80 60 40 20 80 60 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An improved and fuel efficient version of the pusher type reheating furnace is the __________ furnace. Rotary hearth Shaft Walking beam Tunnel Rotary hearth Shaft Walking beam Tunnel ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators are installed in Both A & B Neither A nor B Open hearth furnace Coke ovens Both A & B Neither A nor B Open hearth furnace Coke ovens 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 1250 350 1050 750 1250 350 1050 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Combustion of furnace oil in a furnace (soaking pit) with preheated combustion air at 400°C results in saving of about __________ percent furnace oil as compared to its combustion with atmospheric air, if the flue gas outlet temperature from the soaking pit is 1200°C. 20 40 60 5 20 40 60 5 ANSWER DOWNLOAD EXAMIANS APP
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