Furnace Technology Power required in case of forced draught as compared to induced draught (for the same draught produced) is Same More Either more or less; depends on the flue gas density Answer: Option B Less Same More Either more or less; depends on the flue gas density Answer: Option B Less ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Artificial draught produced by a fan in the furnace can be controlled by the All of these Speed of the fan Variation in the pitch of fan blades Damper All of these Speed of the fan Variation in the pitch of fan blades Damper ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner Should be as low as possible i.e., 1 : 2 Is the ratio of maximum to minimum permissible heat input rates Should be 1:1 for a batch type furnace. Is normally much more for a continuous furnace as compared to a batch furnace Should be as low as possible i.e., 1 : 2 Is the ratio of maximum to minimum permissible heat input rates Should be 1:1 for a batch type furnace. Is normally much more for a continuous furnace as compared to a batch furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs an I.D. fan for the removal of flue gases from the furnace? High pressure boiler Blast furnace stoves Beehive coke oven Coke oven High pressure boiler Blast furnace stoves Beehive coke oven Coke oven ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen enrichment of combustion air does not result in increase of the Heat transfer rate in the furnace Stack loss Flame temperature Oxygen in the flue gas Heat transfer rate in the furnace Stack loss Flame temperature Oxygen in the flue 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 Beryllium Zircon powder Thoria Graphite powder Beryllium Zircon powder Thoria ANSWER DOWNLOAD EXAMIANS APP
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