Furnace Technology In a muffle furnace, the muffle All of these Assists in temperature equalisation in the charge Retards the heat transfer Permits the use of controlled atmosphere for the protection of stock All of these Assists in temperature equalisation in the charge Retards the heat transfer Permits the use of controlled atmosphere for the protection of stock ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Furnace pressure is normally controlled by regulating the Air pressure Speed of I.D. fan Damper Fuel gas pressure Air pressure Speed of I.D. fan Damper Fuel gas pressure ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the stock/charge in the furnace does not depend upon the Size of the furance Use of waste heat recovery equipments Emissivity of the refactory walls Thickness of the stock Size of the furance Use of waste heat recovery equipments Emissivity of the refactory walls Thickness of the stock ANSWER DOWNLOAD EXAMIANS APP
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 1250 350 750 1050 1250 350 750 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Large tonnage of refractory bricks are dried in a Tunnel kiln Rotary hearth furnace Muffle furnace Shaft furnace Tunnel kiln Rotary hearth furnace Muffle furnace Shaft furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace employing forced draught as compared to induced draught, None of these Positive pressure exists in the furnace Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced The fan operates hot and hence blades are liable to corrosion and erosion None of these Positive pressure exists in the furnace Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced The fan operates hot and hence blades are liable to corrosion and erosion ANSWER DOWNLOAD EXAMIANS APP