Furnace Technology Flue gas outlet temperature from the chimney of any furnace should be ideally about __________ °C. 50 250 100 150 50 250 100 150 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators compared to metallic recuperators for the same duty Are lighter Have higher pressure differential between flue gas & air side Occupy more space Are less costly Are lighter Have higher pressure differential between flue gas & air side Occupy more space Are less costly ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Tunnel kilns are usually used for Drying/tempering of refractories Roasting of pyrites Melting of glass Reheating of slabs Drying/tempering of refractories Roasting of pyrites Melting of glass Reheating of slabs 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 Both A and B High thermal conductivity Low emissivity Neither A nor B Both A and B High thermal conductivity Low emissivity Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the stock/charge in the furnace does not depend upon the Emissivity of the refactory walls Thickness of the stock Size of the furance Use of waste heat recovery equipments Emissivity of the refactory walls Thickness of the stock Size of the furance Use of waste heat recovery equipments ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of furnaces can be improved by Waste heat recovery from flue gas Maintaining proper draught All of these Minimising heat losses from furnace walls Waste heat recovery from flue gas Maintaining proper draught All of these Minimising heat losses from furnace walls ANSWER DOWNLOAD EXAMIANS APP