Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 650 1000 850 250 650 1000 850 250 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The amount of combustible escaping uncon-sumed from the furnace, depends upon the 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) Air supplied and furnace temperature Burner design (thoroughness of mixing versus stratification) All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In low or standard frequency induction furnace, heat is produced by the Combination of induced current and skin effect None of these Current flow through a heating element Induction and resistance Combination of induced current and skin effect None of these Current flow through a heating element Induction and resistance ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology To reduce the stack loss, heat recovery from flue gas can be done by All of these Steam generation in waste heat boilers Preheating of combustion air Preheating of cold stock All of these Steam generation in waste heat boilers Preheating of combustion air Preheating of cold stock ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of furnaces can be improved by Minimising heat losses from furnace walls Maintaining proper draught All of these Waste heat recovery from flue gas Minimising heat losses from furnace walls Maintaining proper draught All of these Waste heat recovery from flue gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not a hearth furnace? Open hearth furnace Cupola Glass tank furnace Reheating furnace Open hearth furnace Cupola Glass tank furnace Reheating furnace ANSWER DOWNLOAD EXAMIANS APP
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