Furnace Technology Power required in case of forced draught as compared to induced draught (for the same draught produced) is Less More Either more or less; depends on the flue gas density Answer: Option B Same Less More Either more or less; depends on the flue gas density Answer: Option B Same ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators compared to metallic recuperators for the same duty Are lighter Are less costly Have higher pressure differential between flue gas & air side Occupy more space Are lighter Are less costly Have higher pressure differential between flue gas & air side Occupy more space ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace employing forced draught as compared to induced draught, The fan operates hot and hence blades are liable to corrosion and erosion Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced None of these Positive pressure exists in the furnace The fan operates hot and hence blades are liable to corrosion and erosion Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced None of these Positive pressure exists in the furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In practical operation of any furnace, zero oxygen percentage or theoretical CO₂ percentage in flue gas is rarely achieved, because of Use of excessive positive draft in the furnace Use of non-preheated combustion air Imperfect mixing of fuel & air and infiltration of air Use of pulverised solid fuels Use of excessive positive draft in the furnace Use of non-preheated combustion air Imperfect mixing of fuel & air and infiltration of air Use of pulverised solid fuels ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology __________ furnace is not an electric furnace. Arc Pot Resistance Induction Arc Pot Resistance Induction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Amount of coal lost in ash particle, which is carried through the boiler system, depends upon the Physical nature, ash content and fineness of the coal Type of burner and combustion chamber All of these Amount of excess air supplied and load on the boiler Physical nature, ash content and fineness of the coal Type of burner and combustion chamber All of these Amount of excess air supplied and load on the boiler ANSWER DOWNLOAD EXAMIANS APP
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