Furnace Technology Heat balance of furnace provides means of determining the Thermal efficiency of the process All of these Scope of reduction of heat losses Sources of heat losses Thermal efficiency of the process All of these Scope of reduction of heat losses Sources of heat losses ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace operation, which is not preheated? Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Neither A nor B Both A and B Solid fuels Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Neither A nor B Both A and B Solid fuels 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 All of these Causing metal embrittlement Accelerating the rate of scaling Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature All of these Causing metal embrittlement Accelerating the rate of scaling ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 850 250 1000 650 850 250 1000 650 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of furnaces can be improved by All of these Waste heat recovery from flue gas Minimising heat losses from furnace walls Maintaining proper draught All of these Waste heat recovery from flue gas Minimising heat losses from furnace walls Maintaining proper draught ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an __________ furnace. Sidefired Recirculating Underfired Covered Sidefired Recirculating Underfired Covered ANSWER DOWNLOAD EXAMIANS APP
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