Furnace Technology Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures. 1050 750 1250 350 1050 750 1250 350 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Tunnel kilns are usually used for Melting of glass Roasting of pyrites Drying/tempering of refractories Reheating of slabs Melting of glass Roasting of pyrites Drying/tempering of refractories Reheating of slabs ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following furnaces will have maximum thermal efficiency? Rotary kilns Boiler furnace Soaking pits Walking beam reheating furnace Rotary kilns Boiler furnace Soaking pits Walking beam reheating furnace 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? Erosion of induced draft fan blades Higher power consumption in its transportation Ash disposal problem Excessive fly ash discharge from the stack Erosion of induced draft fan blades Higher power consumption in its transportation Ash disposal problem Excessive fly ash discharge from the stack ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Low stack loss indicates the Oxygen enrichment of combustion air Use of sub-stoichiometric air for combustion Efficient use of fuel Inefficient use of fuel Oxygen enrichment of combustion air Use of sub-stoichiometric air for combustion Efficient use of fuel Inefficient use of fuel ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Furnace pressure is normally controlled by regulating the Air pressure Damper Speed of I.D. fan Fuel gas pressure Air pressure Damper Speed of I.D. fan Fuel gas pressure ANSWER DOWNLOAD EXAMIANS APP
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