Furnace Technology Amount of coal lost in ash particle, which is carried through the boiler system, depends upon the Type of burner and combustion chamber All of these Physical nature, ash content and fineness of the coal Amount of excess air supplied and load on the boiler Type of burner and combustion chamber All of these Physical nature, ash content and fineness of the coal Amount of excess air supplied and load on the boiler ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a muffle furnace, the muffle Retards the heat transfer Assists in temperature equalisation in the charge All of these Permits the use of controlled atmosphere for the protection of stock Retards the heat transfer Assists in temperature equalisation in the charge All of these Permits the use of controlled atmosphere for the protection of stock ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 850 1000 250 650 850 1000 250 650 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen enrichment of combustion air does not result in increase of the Heat transfer rate in the furnace Flame temperature Oxygen in the flue gas Stack loss Heat transfer rate in the furnace Flame temperature Oxygen in the flue gas Stack loss ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Design of waste heat boiler for recovery of waste heat from furnace gases depends upon the Quantity & temperature of waste gas Corrosive nature of the waste gas Dust concentration & nature of dust in waste gas All of these Quantity & temperature of waste gas Corrosive nature of the waste gas Dust concentration & nature of dust in waste gas All of these 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 Convection Can not be predicted Radiation Conduction Convection Can not be predicted Radiation Conduction ANSWER DOWNLOAD EXAMIANS APP
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