Furnace Technology In reverberatory furnace, charge is heated mainly by Radiation of heat from the roof of the combustion chamber Natural convection None of these Conduction Radiation of heat from the roof of the combustion chamber Natural convection None of these Conduction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace operation, which is not preheated? Solid fuels 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.) ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Means for giving direction to the circulation of gases in furnaces are Arrangement of heating stock in the furnaces Fans Location of outlet ports and heating & combustion devices All of these Arrangement of heating stock in the furnaces Fans Location of outlet ports and heating & combustion devices All of these 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 Both A & B Neither A nor B Properties of the muffle wall (temperature, area, emissivity) Surface area & emissivity of the stock Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel economy in an industrial furnace operation can not be achieved by the use of Combustion air not enriched with oxygen Non-preheated combustion air Recupterators Stoichiometric combustion air Combustion air not enriched with oxygen Non-preheated combustion air Recupterators Stoichiometric combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An electric furnace producing heat by means of an electric arc struck between each of three electrodes and the charge is called __________ furnace. None of these Arc Resistance Low frequency induction None of these Arc Resistance Low frequency induction ANSWER DOWNLOAD EXAMIANS APP
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