Furnace Technology Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures. 750 1050 1250 350 750 1050 1250 350 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The amount of combustible escaping uncon-sumed from the furnace, depends upon the All of these Burner design (thoroughness of mixing versus stratification) Air supplied and furnace temperature Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) All of these Burner design (thoroughness of mixing versus stratification) Air supplied and furnace temperature 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 In order to maintain an oxidising atmosphere in a furnace, it should have Less of excess air More of CO in flue gas More of CO₂ in flue gas More of excess air Less of excess air More of CO in flue gas More of CO₂ in flue gas More of excess air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Very high pressure boilers are usually __________ boilers. Natural circulation Fire tube Waste heat Water tube Natural circulation Fire tube Waste heat Water tube ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Power required in case of forced draught as compared to induced draught (for the same draught produced) is Less Either more or less; depends on the flue gas density Answer: Option B Same More Less Either more or less; depends on the flue gas density Answer: Option B Same More ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs an I.D. fan for the removal of flue gases from the furnace? Blast furnace stoves Beehive coke oven High pressure boiler Coke oven Blast furnace stoves Beehive coke oven High pressure boiler Coke oven ANSWER DOWNLOAD EXAMIANS APP