Furnace Technology Thermal efficiency of an open hearth furnace may be about __________ percent. 50 5 20 80 50 5 20 80 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel used in B.F. stove is Pulverised coal Furnace oil Coke oven gas Blast furnace gas/mixed gas Pulverised coal Furnace oil Coke oven gas Blast furnace gas/mixed gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of Graphite powder Thoria Beryllium Zircon powder Graphite powder Thoria Beryllium Zircon powder ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The amount of combustible escaping uncon-sumed from the furnace, depends upon the Air supplied and furnace temperature Burner design (thoroughness of mixing versus stratification) All of these Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) Air supplied and furnace temperature Burner design (thoroughness of mixing versus stratification) All of these Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a periodic furnace? Rotary kiln Tunnel kiln Reheating furnace Soaking pit Rotary kiln Tunnel kiln Reheating furnace Soaking pit ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. 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 Increases the load on the induced draft fan All of these Reduces the furnace draught ANSWER DOWNLOAD EXAMIANS APP
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