Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 250 1000 650 850 250 1000 650 850 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology hich is the most thermally efficient furnace? Rotary kilns Reheating furnace Reverberatory furnace Boiler furnace Rotary kilns Reheating furnace Reverberatory furnace Boiler furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 5% H₂ + 9% N₂ 100 %H₂ 100% CO 95% N₂ + 5% H₂ 5% H₂ + 9% N₂ 100 %H₂ 100% CO 95% N₂ + 5% H₂ ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Scaling of furnace stock is reduced by __________ in flue gas. CO All of these H₂ High CO/CO₂ CO All of these H₂ High CO/CO₂ ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The electric furnace in which heat is produced by a combination of induced current and skin effect is called __________ furnace. Arc Low frequency induction High frequency induction Resistance Arc Low frequency induction High frequency induction Resistance ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In low or standard frequency induction furnace, heat is produced by the Current flow through a heating element None of these Induction and resistance Combination of induced current and skin effect Current flow through a heating element None of these Induction and resistance Combination of induced current and skin effect ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS