Furnace Technology Which of the following variables does not affect the furnace capacity? Gas velocity in furnace None of these Size of the furnace Ratio of wall surface to surface of stock Gas velocity in furnace None of these Size of the furnace Ratio of wall surface to surface of stock ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace operation, which is not preheated? Both A and B Neither A nor B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Solid fuels Both A and B Neither A nor B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Solid fuels ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following furnaces will have maximum thermal efficiency? Soaking pits Boiler furnace Walking beam reheating furnace Rotary kilns Soaking pits Boiler furnace Walking beam reheating furnace Rotary kilns ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Low stack loss indicates the Inefficient use of fuel Efficient use of fuel Use of sub-stoichiometric air for combustion Oxygen enrichment of combustion air Inefficient use of fuel Efficient use of fuel Use of sub-stoichiometric air for combustion Oxygen enrichment of combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators as compared to recuperators for the same duty Are lighter & compact All of these Involve higher initial cost Store smaller quantity of waste heat Are lighter & compact All of these Involve higher initial cost Store smaller quantity of waste heat ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Forced recirculation of furnace gases is practised In furnaces, operating below 750°C All of these To ensure uniform temperature To increase heat transfer by convection In furnaces, operating below 750°C All of these To ensure uniform temperature To increase heat transfer by convection ANSWER DOWNLOAD EXAMIANS APP