Furnace Technology Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. 25-30 65-70 45-50 44119 25-30 65-70 45-50 44119 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Blast furnace stoves are meant for heating Air None of these Steam Blast furnace gas Air None of these Steam Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of an open hearth furnace may be about __________ percent. 80 20 5 50 80 20 5 50 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen enrichment of combustion air does not result in increase of the Heat transfer rate in the furnace Flame temperature Stack loss Oxygen in the flue gas Heat transfer rate in the furnace Flame temperature Stack loss Oxygen in the flue gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not a hearth furnace? Open hearth furnace Cupola Reheating furnace Glass tank furnace Open hearth furnace Cupola Reheating furnace Glass tank furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thickness of stock does not affect the fuel economy of furnaces, if the material to be heated is of Neither A nor B Low emissivity High thermal conductivity Both A and B Neither A nor B Low emissivity High thermal conductivity Both A and B ANSWER DOWNLOAD EXAMIANS APP