Furnace Technology In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of Combustion of coal by supplying it around the burner Transportation of coal Preheating the primary air Drying of coal Combustion of coal by supplying it around the burner Transportation of coal Preheating the primary air Drying of coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Rotary kilns are used in the Calcination of limestone & dolomite Both A and B Neither A nor B Cement manufacture Calcination of limestone & dolomite Both A and B Neither A nor B Cement manufacture ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace operation, which is not preheated? Both A and B Solid fuels Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Neither A nor B Both A and B Solid fuels Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators are installed in Open hearth furnace Neither A nor B Both A & B Coke ovens Open hearth furnace Neither A nor B Both A & B Coke ovens ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about __________ °C. 2000 6000 4500 3000 2000 6000 4500 3000 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Air filtration in a furnace Is indicated by flame sting out Reduces its thermal efficiency None of these Increases the flue gas temperature Is indicated by flame sting out Reduces its thermal efficiency None of these Increases the flue gas temperature ANSWER DOWNLOAD EXAMIANS APP