Furnace Technology The heating capacity of muffle furnace depends on the Both A & B Surface area & emissivity of the stock Properties of the muffle wall (temperature, area, emissivity) Neither A nor B Both A & B Surface area & emissivity of the stock Properties of the muffle wall (temperature, area, emissivity) Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Tunnel kilns are usually used for Melting of glass Drying/tempering of refractories Roasting of pyrites Reheating of slabs Melting of glass Drying/tempering of refractories Roasting of pyrites Reheating of slabs ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An example of shaft furnace is the Soaking pit Blast furnace Glass melting tank L.D. converter Soaking pit Blast furnace Glass melting tank L.D. converter ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Circulation of gases in furnace is caused by the Difference in density between hot and cold gases Furnace pressure in conjunction with draft in flues All of these Change in volume during a change of temperature Difference in density between hot and cold gases Furnace pressure in conjunction with draft in flues All of these Change in volume during a change of temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Either of the above Sulphur penetration Decarburising Oxidation/scaling Either of the above Sulphur penetration Decarburising Oxidation/scaling ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace operation, which is not preheated? 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 Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP
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