Furnace Technology Thermal efficiency of furnaces can be improved by Waste heat recovery from flue gas Maintaining proper draught Minimising heat losses from furnace walls All of these Waste heat recovery from flue gas Maintaining proper draught Minimising heat losses from furnace walls All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most suitable for preheating combustion air above 650°C ? Ceramic recuperator Regenerator Metallic recuperator None of these Ceramic recuperator Regenerator Metallic recuperator None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs an I.D. fan for the removal of flue gases from the furnace? Coke oven Blast furnace stoves High pressure boiler Beehive coke oven Coke oven Blast furnace stoves High pressure boiler Beehive coke oven ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In low or standard frequency induction furnace, heat is produced by the Induction and resistance Current flow through a heating element Combination of induced current and skin effect None of these Induction and resistance Current flow through a heating element Combination of induced current and skin effect None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a directly fired furnace? Calcination kiln Sintering furnace Open hearth furnace By-product coke oven Calcination kiln Sintering furnace Open hearth furnace By-product coke oven ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Higher furnace temperature can not be achieved by use of a lean fuel gas in the furnace by Preheating the combustion air Preheating the fuel gas Oxygen enrichment of combustion air Increasing the draft in the furnace Preheating the combustion air Preheating the fuel gas Oxygen enrichment of combustion air Increasing the draft in the furnace ANSWER DOWNLOAD EXAMIANS APP