Furnace Technology Forced recirculation of furnace gases is practised All of these To increase heat transfer by convection To ensure uniform temperature In furnaces, operating below 750°C All of these To increase heat transfer by convection To ensure uniform temperature In furnaces, operating below 750°C ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Decarburisation of steel Is favoured by CO₂ Is the removal of carbon from iron carbide (Fe₃C) Affects its crystalline structure All of these Is favoured by CO₂ Is the removal of carbon from iron carbide (Fe₃C) Affects its crystalline structure All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of an open hearth furnace may be about __________ percent. 5 80 20 50 5 80 20 50 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most suitable for preheating combustion air above 650°C ? None of these Ceramic recuperator Metallic recuperator Regenerator None of these Ceramic recuperator Metallic recuperator Regenerator ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a heat treatment furnace? Muffle furnace Annealing furnace Rotary kiln Reheating furnace Muffle furnace Annealing furnace Rotary kiln Reheating furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of continuous reheating furnace depends upon the All of these Emissivity of the stock Hearth area and furnace temperature Ratio of wall surface to stock surface All of these Emissivity of the stock Hearth area and furnace temperature Ratio of wall surface to stock surface ANSWER DOWNLOAD EXAMIANS APP
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