Furnace Technology To reduce the stack loss, heat recovery from flue gas can be done by 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 All of these Preheating of cold stock ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Use of pulverised coal in boilers provides Better combustion Smokeless burning Less erosion on furnace wall Higher calorific value Better combustion Smokeless burning Less erosion on furnace wall Higher calorific value ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent. 60 40 20 80 60 40 20 80 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of muffle furnace depends on the Neither A nor B Properties of the muffle wall (temperature, area, emissivity) Surface area & emissivity of the stock Both A & B Neither A nor B Properties of the muffle wall (temperature, area, emissivity) Surface area & emissivity of the stock Both A & B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Blast furnace stoves are meant for heating Blast furnace gas Steam None of these Air Blast furnace gas Steam None of these Air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen percentage in the flue gas coming out of a gaseous fuel fired furnace should be ideally about __________ percent. < 8 < 10 < 5 < 2 < 8 < 10 < 5 < 2 ANSWER DOWNLOAD EXAMIANS APP
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