Furnace Technology In a muffle furnace, the muffle Retards the heat transfer All of these Permits the use of controlled atmosphere for the protection of stock Assists in temperature equalisation in the charge Retards the heat transfer All of these Permits the use of controlled atmosphere for the protection of stock Assists in temperature equalisation in the charge ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent. 40 80 60 20 40 80 60 20 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner Is normally much more for a continuous furnace as compared to a batch furnace Should be as low as possible i.e., 1 : 2 Should be 1:1 for a batch type furnace. Is the ratio of maximum to minimum permissible heat input rates Is normally much more for a continuous furnace as compared to a batch furnace Should be as low as possible i.e., 1 : 2 Should be 1:1 for a batch type furnace. Is the ratio of maximum to minimum permissible heat input rates ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Blast furnace stoves are meant for heating None of these Air Steam Blast furnace gas None of these Air Steam Blast furnace gas 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) Burner design (thoroughness of mixing versus stratification) All of these 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) Burner design (thoroughness of mixing versus stratification) All of these Air supplied and furnace temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Tunnel kilns are usually used for Roasting of pyrites Drying/tempering of refractories Melting of glass Reheating of slabs Roasting of pyrites Drying/tempering of refractories Melting of glass Reheating of slabs ANSWER DOWNLOAD EXAMIANS APP
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