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 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 None of these Positive pressure exists in the furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The electric furnace in which heat is produced by a combination of induced current and skin effect is called __________ furnace. Arc Low frequency induction Resistance High frequency induction Arc Low frequency induction Resistance High frequency induction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about __________ °C. 6000 4500 2000 3000 6000 4500 2000 3000 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel economy in an industrial furnace operation can not be achieved by the use of Combustion air not enriched with oxygen Recupterators Stoichiometric combustion air Non-preheated combustion air Combustion air not enriched with oxygen Recupterators Stoichiometric combustion air Non-preheated combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Very high pressure boilers are usually __________ boilers. Fire tube Natural circulation Water tube Waste heat Fire tube Natural circulation Water tube Waste heat ANSWER DOWNLOAD EXAMIANS APP
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
EXAMIANS