Furnace Technology Artificial draught produced by a fan in the furnace can be controlled by the All of these Damper Speed of the fan Variation in the pitch of fan blades All of these Damper Speed of the fan Variation in the pitch of fan blades ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The amount of combustible escaping uncon-sumed from the furnace, depends upon the Burner design (thoroughness of mixing versus stratification) Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) Air supplied and furnace temperature All of these Burner design (thoroughness of mixing versus stratification) Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) Air supplied and furnace temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Example of an indirectly heated furnace is Muffle furnace Neither A nor B Hood annealing furnace Both A and B Muffle furnace Neither A nor B Hood annealing furnace Both A and B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If fuel and air are mixed ahead of the burner, it is called a/an __________ burner. Premix Rotary Diffusion Outside mixing type Premix Rotary Diffusion Outside mixing type ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thickness of stock does not affect the fuel economy of furnaces, if the material to be heated is of Low emissivity Neither A nor B High thermal conductivity Both A and B Low emissivity Neither A nor B High thermal conductivity Both A and B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain an oxidising atmosphere in a furnace, it should have More of CO in flue gas More of excess air More of CO₂ in flue gas Less of excess air More of CO in flue gas More of excess air More of CO₂ in flue gas Less of excess air ANSWER DOWNLOAD EXAMIANS APP
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