Furnace Technology Which of the following is not a continuous waste heat recovery equipment from the flue gases going out of furnace? Waste heat boiler Economiser Regenerator Ceramic recuperator Waste heat boiler Economiser Regenerator Ceramic recuperator ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Forced recirculation of furnace gases is practised 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 All of these To increase heat transfer by convection To ensure uniform temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most important deterrants to an extended use of pulverised coal in boiler firing? Ash disposal problem Erosion of induced draft fan blades Higher power consumption in its transportation Excessive fly ash discharge from the stack Ash disposal problem Erosion of induced draft fan blades Higher power consumption in its transportation Excessive fly ash discharge from the stack ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 100 %H₂ 95% N₂ + 5% H₂ 100% CO 5% H₂ + 9% N₂ 100 %H₂ 95% N₂ + 5% H₂ 100% CO 5% H₂ + 9% N₂ ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel economy in furnaces can be achieved by Using oxygen enriched combustion air Preheating the combustion air All of these Reducing the heat loss through furnace openings & doors Using oxygen enriched combustion air Preheating the combustion air All of these Reducing the heat loss through furnace openings & doors ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of a limestone calcination rotary kiln may be around __________ percent. 20 65 80 40 20 65 80 40 ANSWER DOWNLOAD EXAMIANS APP
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