Furnace Technology Furnace pressure is normally controlled by regulating the Air pressure Fuel gas pressure Speed of I.D. fan Damper Air pressure Fuel gas pressure Speed of I.D. fan Damper ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner 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 Is normally much more for a continuous furnace as compared to a batch furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators are installed in Both A & B Open hearth furnace Coke ovens Neither A nor B Both A & B Open hearth furnace Coke ovens Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Rotary kilns are used in the Cement manufacture Calcination of limestone & dolomite Neither A nor B Both A and B Cement manufacture Calcination of limestone & dolomite Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a muffle furnace, the muffle All of these Assists in temperature equalisation in the charge Permits the use of controlled atmosphere for the protection of stock Retards the heat transfer All of these Assists in temperature equalisation in the charge Permits the use of controlled atmosphere for the protection of stock Retards the heat transfer ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen percentage in the flue gas coming out of a gaseous fuel fired furnace should be ideally about __________ percent. < 5 < 2 < 8 < 10 < 5 < 2 < 8 < 10 ANSWER DOWNLOAD EXAMIANS APP
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