Furnace Technology Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of Zircon powder Beryllium Graphite powder Thoria Zircon powder Beryllium Graphite powder Thoria ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following accentuates clinker-ing troubles on furnace grate burning coal? Low forced draft & fuel bed temperature Low reactivity of carbonised residue containing high proportion of iron & sulphur All of these Thick firebed and preheated primary air Low forced draft & fuel bed temperature Low reactivity of carbonised residue containing high proportion of iron & sulphur All of these Thick firebed and preheated primary air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An example of shaft furnace is the Soaking pit Blast furnace L.D. converter Glass melting tank Soaking pit Blast furnace L.D. converter Glass melting tank 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 All of these Type of burner and combustion chamber Amount of excess air supplied and load on the boiler Physical nature, ash content and fineness of the coal All of these Type of burner and combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Out of the following fuels used in a furnace exhausting flue gas at a temperature of 600°C, the percentage stack loss will be maximum in case of complete combustion of Blast furnace gas with oxygen Furnace oil with oxygen Furnace oil with air Blast furnace gas with air Blast furnace gas with oxygen Furnace oil with oxygen Furnace oil with air Blast furnace gas with air 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
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