Furnace Technology Which of the following variables does not affect the furnace capacity? None of these Gas velocity in furnace Ratio of wall surface to surface of stock Size of the furnace None of these Gas velocity in furnace Ratio of wall surface to surface of stock Size of the furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If fuel and air are mixed ahead of the burner, it is called a/an __________ burner. Premix Rotary Outside mixing type Diffusion Premix Rotary Outside mixing type Diffusion 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) 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 Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel economy in furnaces can be achieved by Reducing the heat loss through furnace openings & doors Preheating the combustion air Using oxygen enriched combustion air All of these Reducing the heat loss through furnace openings & doors Preheating the combustion air Using oxygen enriched combustion air All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. Reduces the flue gas temperature and makes the furnace atmosphere oxidising Increases the load on the induced draft fan Reduces the furnace draught All of these Reduces the flue gas temperature and makes the furnace atmosphere oxidising Increases the load on the induced draft fan Reduces the furnace draught All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An improved and fuel efficient version of the pusher type reheating furnace is the __________ furnace. Rotary hearth Shaft Tunnel Walking beam Rotary hearth Shaft Tunnel Walking beam ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS