Furnace Technology Use of pulverised coal in boilers provides Less erosion on furnace wall Higher calorific value Better combustion Smokeless burning Less erosion on furnace wall Higher calorific value Better combustion Smokeless burning ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. 44119 65-70 45-50 25-30 44119 65-70 45-50 25-30 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Scaling of furnace stock is reduced by __________ in flue gas. High CO/CO₂ H₂ CO All of these High CO/CO₂ H₂ CO All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of muffle furnace depends on the Both A & B Properties of the muffle wall (temperature, area, emissivity) Surface area & emissivity of the stock Neither A nor B Both A & B Properties of the muffle wall (temperature, area, emissivity) Surface area & emissivity of the stock Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In which of the following furnaces, the gases are sucked through the stock bed from below? Soaking pit Sintering machine Beehive oven None of these Soaking pit Sintering machine Beehive oven None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators compared to metallic recuperators for the same duty Have higher pressure differential between flue gas & air side Are lighter Occupy more space Are less costly Have higher pressure differential between flue gas & air side Are lighter Occupy more space Are less costly ANSWER DOWNLOAD EXAMIANS APP
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