Furnace Technology Thermal efficiency of furnaces can be improved by Minimising heat losses from furnace walls Maintaining proper draught Waste heat recovery from flue gas All of these Minimising heat losses from furnace walls Maintaining proper draught Waste heat recovery from flue gas All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Rotary kilns are used in the Calcination of limestone & dolomite Cement manufacture Neither A nor B Both A and B Calcination of limestone & dolomite Cement manufacture Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs natural draft? Boiler L.D. converter Rotary kilns Coke oven Boiler L.D. converter Rotary kilns Coke oven ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Accelerating the rate of scaling Causing metal embrittlement All of these Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Accelerating the rate of scaling Causing metal embrittlement All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Amount of coal lost in ash particle, which is carried through the boiler system, depends upon the Amount of excess air supplied and load on the boiler Physical nature, ash content and fineness of the coal Type of burner and combustion chamber All of these Amount of excess air supplied and load on the boiler Physical nature, ash content and fineness of the coal Type of burner and combustion chamber All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is a regenerative furnace? Coke oven heating chamber Open hearth furnace Both A and B Neither A nor B Coke oven heating chamber Open hearth furnace Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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