Furnace Technology Fuel economy in an industrial furnace operation can not be achieved by the use of Non-preheated combustion air Combustion air not enriched with oxygen Recupterators Stoichiometric combustion air Non-preheated combustion air Combustion air not enriched with oxygen Recupterators Stoichiometric combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a natural draft furnace? Sintering furnace Power plant boilers None of these Blast furnace stoves Sintering furnace Power plant boilers None of these Blast furnace stoves ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of an open hearth furnace may be about __________ percent. 20 80 50 5 20 80 50 5 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Large tonnage of refractory bricks are dried in a Rotary hearth furnace Tunnel kiln Shaft furnace Muffle furnace Rotary hearth furnace Tunnel kiln Shaft furnace Muffle furnace 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 Causing metal embrittlement Accelerating the rate of scaling All of these Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Causing metal embrittlement Accelerating the rate of scaling All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel used in B.F. stove is Coke oven gas Furnace oil Blast furnace gas/mixed gas Pulverised coal Coke oven gas Furnace oil Blast furnace gas/mixed gas Pulverised coal ANSWER DOWNLOAD EXAMIANS APP
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