Furnace Technology In low or standard frequency induction furnace, heat is produced by the Induction and resistance Combination of induced current and skin effect Current flow through a heating element None of these Induction and resistance Combination of induced current and skin effect Current flow through a heating element None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology To reduce the stack loss, heat recovery from flue gas can be done by All of these Preheating of cold stock 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 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Calcination of limestone to produce lime is done in a __________ kiln. Both B and C Vertical shaft Tunnel Rotary Both B and C Vertical shaft Tunnel Rotary ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Size of the combustion chamber of a furnace depends upon the Heat release rate of the fuel All of these Preheat temperature of fuel & air Method of mixing the fuel & air Heat release rate of the fuel All of these Preheat temperature of fuel & air Method of mixing the fuel & air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace employing forced draught as compared to induced draught, Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced Positive pressure exists in the furnace The fan operates hot and hence blades are liable to corrosion and erosion None of these Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced Positive pressure exists in the furnace The fan operates hot and hence blades are liable to corrosion and erosion None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of an open hearth furnace may be about __________ percent. 80 50 5 20 80 50 5 20 ANSWER DOWNLOAD EXAMIANS APP
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