Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 100% CO 5% H₂ + 9% N₂ 95% N₂ + 5% H₂ 100 %H₂ 100% CO 5% H₂ + 9% N₂ 95% N₂ + 5% H₂ 100 %H₂ ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Maximum heat transfer in high temperature furnaces is by Convection Either A, B or C; depends on the type of furnace Conduction Radiation Convection Either A, B or C; depends on the type of furnace Conduction Radiation ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If fuel and air are mixed ahead of the burner, it is called a/an __________ burner. Premix Rotary Diffusion Outside mixing type Premix Rotary Diffusion Outside mixing type ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The rate of scaling of furnace stock depends upon the All of these Nature of atmosphere Temperature Time All of these Nature of atmosphere Temperature Time ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Waste heat from the outgoing flue gases in a thermal power plant is recovered by a/an Economiser Steam superheater Air preheater All of these Economiser Steam superheater Air preheater All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace operation, which is not preheated? Solid fuels Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Both A and B Neither A nor B Solid fuels Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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