Furnace Technology Flue gas outlet temperature from the chimney of any furnace should be ideally about __________ °C. 150 100 250 50 150 100 250 50 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most suitable for preheating combustion air above 650°C ? Regenerator Metallic recuperator Ceramic recuperator None of these Regenerator Metallic recuperator Ceramic recuperator None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Means for giving direction to the circulation of gases in furnaces are Arrangement of heating stock in the furnaces Location of outlet ports and heating & combustion devices Fans All of these Arrangement of heating stock in the furnaces Location of outlet ports and heating & combustion devices Fans All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology To reduce the stack loss, heat recovery from flue gas can be done by Preheating of combustion air Steam generation in waste heat boilers All of these Preheating of cold stock Preheating of combustion air Steam generation in waste heat boilers All of these Preheating of cold stock ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 100 %H₂ 5% H₂ + 9% N₂ 100% CO 95% N₂ + 5% H₂ 100 %H₂ 5% H₂ + 9% N₂ 100% CO 95% N₂ + 5% H₂ ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. Range of fuel firing rates Maximum heat input rate only Minimum heat input rate only Volume of the combustion chamber Range of fuel firing rates Maximum heat input rate only Minimum heat input rate only Volume of the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
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