Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 95% N₂ + 5% H₂ 100% CO 5% H₂ + 9% N₂ 100 %H₂ 95% N₂ + 5% H₂ 100% CO 5% H₂ + 9% N₂ 100 %H₂ 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 Neither A nor B Low emissivity Both A and B High thermal conductivity Neither A nor B Low emissivity ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Furnace pressure is normally controlled by regulating the Air pressure Fuel gas pressure Speed of I.D. fan Damper Air pressure Fuel gas pressure Speed of I.D. fan Damper ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An example of indirectly heated furnace is the Soaking pit None of these Muffle furnace Reheating furnace Soaking pit None of these Muffle furnace Reheating furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ostwald charts are meant for Computing the excess/deficiency of combustion air Computation of flue gas analysis Calculation of flue gas temperature None of these Computing the excess/deficiency of combustion air Computation of flue gas analysis Calculation of flue gas temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Hearth furnaces are not used for Roasting Reheating None of these Melting Roasting Reheating None of these Melting ANSWER DOWNLOAD EXAMIANS APP