Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Decarburising Either of the above Oxidation/scaling Sulphur penetration Decarburising Either of the above Oxidation/scaling Sulphur penetration ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a continuous waste heat recovery equipment from the flue gases going out of furnace? Economiser Ceramic recuperator Waste heat boiler Regenerator Economiser Ceramic recuperator Waste heat boiler Regenerator ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In reverberatory furnace, charge is heated mainly by None of these Radiation of heat from the roof of the combustion chamber Natural convection Conduction None of these Radiation of heat from the roof of the combustion chamber Natural convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a directly fired intermittant furnace? Tower furnace Walking beam reheating furnace Tunnel kiln Reverberatory furnace Tower furnace Walking beam reheating furnace Tunnel kiln Reverberatory furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of All of these Accelerating the rate of scaling Causing metal embrittlement Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature All of these Accelerating the rate of scaling Causing metal embrittlement Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel economy in an industrial furnace operation can not be achieved by the use of Non-preheated combustion air Stoichiometric combustion air Combustion air not enriched with oxygen Recupterators Non-preheated combustion air Stoichiometric combustion air Combustion air not enriched with oxygen Recupterators ANSWER DOWNLOAD EXAMIANS APP