Furnace Technology In a furnace employing forced draught as compared to induced draught, None of these Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced Positive pressure exists in the furnace The fan operates hot and hence blades are liable to corrosion and erosion None of these Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced Positive pressure exists in the furnace The fan operates hot and hence blades are liable to corrosion and erosion ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The advantages of firing pulverised coal in the furnace lies in the fact that, it Accelerates the burning rate and economises on fuel consumption Permits the use of high ash content coal Permits the use of low fusion point ash coal All of these Accelerates the burning rate and economises on fuel consumption Permits the use of high ash content coal Permits the use of low fusion point ash coal All of these 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 Both A and B Low emissivity Neither A nor B High thermal conductivity Both A and B Low emissivity Neither A nor B High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Furnace aerodynamics is related to the __________ in the furnace. Pressure adjustment Temperature control Measurement of flue gas volume Movement of gases Pressure adjustment Temperature control Measurement of flue gas volume Movement of gases ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If fuel and air are mixed ahead of the burner, it is called a/an __________ burner. Diffusion Premix Outside mixing type Rotary Diffusion Premix Outside mixing type Rotary ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Very high pressure boilers are usually __________ boilers. Water tube Natural circulation Fire tube Waste heat Water tube Natural circulation Fire tube Waste heat ANSWER DOWNLOAD EXAMIANS APP
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