Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 850 650 1000 250 850 650 1000 250 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the stock/charge in the furnace does not depend upon the Thickness of the stock Use of waste heat recovery equipments Size of the furance Emissivity of the refactory walls Thickness of the stock Use of waste heat recovery equipments Size of the furance Emissivity of the refactory walls ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators are installed in Both A & B Coke ovens Neither A nor B Open hearth furnace Both A & B Coke ovens Neither A nor B Open hearth furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Circulation of gases in furnace is caused by the Furnace pressure in conjunction with draft in flues All of these Difference in density between hot and cold gases Change in volume during a change of temperature Furnace pressure in conjunction with draft in flues All of these Difference in density between hot and cold gases Change in volume during a change of temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Specific heating capacity of a furnace is expressed as None of these Weight heated/hr Weight heated/hr/furnace volume Weight heated/furnace volume None of these Weight heated/hr Weight heated/hr/furnace volume Weight heated/furnace volume ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Shaft furnaces are used for Smelting Calcining All of these Roasting Smelting Calcining All of these Roasting ANSWER DOWNLOAD EXAMIANS APP