Furnace Technology Which of the following is a natural draft furnace? Power plant boilers Blast furnace stoves Sintering furnace None of these Power plant boilers Blast furnace stoves Sintering furnace None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Tunnel kilns are usually used for Melting of glass Reheating of slabs Roasting of pyrites Drying/tempering of refractories Melting of glass Reheating of slabs Roasting of pyrites Drying/tempering of refractories ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of furnaces can be improved by Minimising heat losses from furnace walls All of these Waste heat recovery from flue gas Maintaining proper draught Minimising heat losses from furnace walls All of these Waste heat recovery from flue gas Maintaining proper draught ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Soaking pits are meant for heating steel Slabs Sheets Ingots Coils Slabs Sheets Ingots Coils ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. Increases the load on the induced draft fan All of these Reduces the furnace draught Reduces the flue gas temperature and makes the furnace atmosphere oxidising Increases the load on the induced draft fan All of these Reduces the furnace draught Reduces the flue gas temperature and makes the furnace atmosphere oxidising ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Accelerating the rate of scaling All of these Causing metal embrittlement Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Accelerating the rate of scaling All of these Causing metal embrittlement ANSWER DOWNLOAD EXAMIANS APP