Furnace Technology In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of Transportation of coal Combustion of coal by supplying it around the burner Preheating the primary air Drying of coal Transportation of coal Combustion of coal by supplying it around the burner Preheating the primary air Drying of coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If fuel and air are mixed ahead of the burner, it is called a/an __________ burner. Premix Outside mixing type Rotary Diffusion Premix Outside mixing type Rotary Diffusion ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Power required in case of forced draught as compared to induced draught (for the same draught produced) is Same More Less Either more or less; depends on the flue gas density Answer: Option B Same More Less Either more or less; depends on the flue gas density Answer: Option B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not a hearth furnace? Reheating furnace Open hearth furnace Cupola Glass tank furnace Reheating furnace Open hearth furnace Cupola Glass tank furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overfire burning in a furnace is a phenomenon characterised by None of these Supply of excess fuel Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air Supply of excess air None of these Supply of excess fuel Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air Supply of excess air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Combustion of furnace oil in a furnace (soaking pit) with preheated combustion air at 400°C results in saving of about __________ percent furnace oil as compared to its combustion with atmospheric air, if the flue gas outlet temperature from the soaking pit is 1200°C. 40 5 20 60 40 5 20 60 ANSWER DOWNLOAD EXAMIANS APP
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