Furnace Technology Thermal efficiency of furnaces can be improved by All of these 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 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a batch furnace? Reheating furnace Glass tank furnace None of these Cupola Reheating furnace Glass tank furnace None of these Cupola ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators are installed in Open hearth furnace Neither A nor B Both A & B Coke ovens Open hearth furnace Neither A nor B Both A & B Coke ovens ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of 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 Accelerating the rate of scaling Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Causing metal embrittlement ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen enrichment of combustion air does not result in increase of the Flame temperature Stack loss Heat transfer rate in the furnace Oxygen in the flue gas Flame temperature Stack loss Heat transfer rate in the furnace Oxygen in the flue gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The function of an economiser in a boiler is to preheat the Feedwater Pulverised coal Furnace oil Combustion air Feedwater Pulverised coal Furnace oil Combustion air ANSWER DOWNLOAD EXAMIANS APP
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