Furnace Technology An improved and fuel efficient version of the pusher type reheating furnace is the __________ furnace. Walking beam Shaft Rotary hearth Tunnel Walking beam Shaft Rotary hearth Tunnel ANSWER DOWNLOAD EXAMIANS APP
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 In furnaces operating at very high temperature (say) 1250°C, e.g. soaking pit), the maximum heat transfer takes place by Conduction Radiation Convection Can not be predicted Conduction Radiation Convection Can not be predicted ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace operation, which is not preheated? Neither A nor B Solid fuels Both A and B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Neither A nor B Solid fuels Both A and B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators compared to metallic recuperators for the same duty Occupy more space Are lighter Are less costly Have higher pressure differential between flue gas & air side Occupy more space Are lighter Are less costly Have higher pressure differential between flue gas & air side ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain an oxidising atmosphere in a furnace, it should have Less of excess air More of CO₂ in flue gas More of CO in flue gas More of excess air Less of excess air More of CO₂ in flue gas More of CO in flue gas More of excess air ANSWER DOWNLOAD EXAMIANS APP