Furnace Technology In a furnace employing forced draught as compared to induced draught, 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The advantages of firing pulverised coal in the furnace lies in the fact that, it All of these Permits the use of low fusion point ash coal Accelerates the burning rate and economises on fuel consumption Permits the use of high ash content coal All of these Permits the use of low fusion point ash coal Accelerates the burning rate and economises on fuel consumption Permits the use of high ash content coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of Accelerating the rate of scaling Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Causing metal embrittlement All of these Accelerating the rate of scaling Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Causing metal embrittlement All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Specific heating capacity of a furnace is expressed as None of these Weight heated/furnace volume Weight heated/hr/furnace volume Weight heated/hr None of these Weight heated/furnace volume Weight heated/hr/furnace volume Weight heated/hr ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In furnaces operating at very high temperature (say) 1250°C, e.g. soaking pit), the maximum heat transfer takes place by Radiation Can not be predicted Convection Conduction Radiation Can not be predicted Convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a directly fired intermittant furnace? Walking beam reheating furnace Tunnel kiln Reverberatory furnace Tower furnace Walking beam reheating furnace Tunnel kiln Reverberatory furnace Tower furnace ANSWER DOWNLOAD EXAMIANS APP
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