Furnace Technology Hearth furnaces are not used for Reheating Melting Roasting None of these Reheating Melting Roasting None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an __________ furnace. Sidefired Covered Recirculating Underfired Sidefired Covered Recirculating Underfired ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In low or standard frequency induction furnace, heat is produced by the Induction and resistance Current flow through a heating element None of these Combination of induced current and skin effect Induction and resistance Current flow through a heating element None of these Combination of induced current and skin effect ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. 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 Minimum heat input rate only ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 95% N₂ + 5% H₂ 5% H₂ + 9% N₂ 100% CO 100 %H₂ 95% N₂ + 5% H₂ 5% H₂ + 9% N₂ 100% CO 100 %H₂ ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Shaft furnaces are used for Smelting All of these Roasting Calcining Smelting All of these Roasting Calcining ANSWER DOWNLOAD EXAMIANS APP
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