Furnace Technology In a furnace operation, which is not preheated? Both A and B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Neither A nor B Solid fuels Both A and B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Neither A nor B Solid fuels ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. Minimum heat input rate only Maximum heat input rate only Range of fuel firing rates Volume of the combustion chamber Minimum heat input rate only Maximum heat input rate only Range of fuel firing rates Volume of the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Furnace pressure is normally controlled by regulating the Fuel gas pressure Damper Air pressure Speed of I.D. fan Fuel gas pressure Damper Air pressure Speed of I.D. fan ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Maximum heat transfer in high temperature furnaces is by Radiation Convection Conduction Either A, B or C; depends on the type of furnace Radiation Convection Conduction Either A, B or C; depends on the type of furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology __________ furnace is not an electric furnace. Pot Arc Resistance Induction Pot Arc Resistance Induction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 100 %H₂ 100% CO 5% H₂ + 9% N₂ 95% N₂ + 5% H₂ 100 %H₂ 100% CO 5% H₂ + 9% N₂ 95% N₂ + 5% H₂ ANSWER DOWNLOAD EXAMIANS APP
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