Furnace Technology Artificial draught produced by a fan in the furnace can be controlled by the All of these Variation in the pitch of fan blades Damper Speed of the fan All of these Variation in the pitch of fan blades Damper Speed of the fan ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner Should be as low as possible i.e., 1 : 2 Is normally much more for a continuous furnace as compared to a batch furnace Is the ratio of maximum to minimum permissible heat input rates Should be 1:1 for a batch type furnace. Should be as low as possible i.e., 1 : 2 Is normally much more for a continuous furnace as compared to a batch furnace Is the ratio of maximum to minimum permissible heat input rates Should be 1:1 for a batch type furnace. ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a continuous waste heat recovery equipment from the flue gases going out of furnace? Economiser Regenerator Waste heat boiler Ceramic recuperator Economiser Regenerator Waste heat boiler Ceramic recuperator 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 High pressure boiler Coke oven Beehive coke oven Blast furnace stoves High pressure boiler Coke oven Beehive coke oven ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In practical operation of any furnace, zero oxygen percentage or theoretical CO₂ percentage in flue gas is rarely achieved, because of Use of excessive positive draft in the furnace Use of non-preheated combustion air Imperfect mixing of fuel & air and infiltration of air Use of pulverised solid fuels Use of excessive positive draft in the furnace Use of non-preheated combustion air Imperfect mixing of fuel & air and infiltration of air Use of pulverised solid fuels ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Example of an indirectly heated furnace is Neither A nor B Hood annealing furnace Muffle furnace Both A and B Neither A nor B Hood annealing furnace Muffle furnace Both A and B ANSWER DOWNLOAD EXAMIANS APP
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