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 All of these Type of burner and combustion chamber Physical nature, ash content and fineness of the coal Amount of excess air supplied and load on the boiler All of these Type of burner and combustion chamber Physical nature, ash content and fineness of the coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Maximum thermal efficiency of boiler may be about __________ percent. 65 25 10 90 65 25 10 90 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs preheating, heating and soaking zones? Cupola Soaking pit Open hearth furnace Reheating furnace Cupola Soaking pit Open hearth furnace Reheating furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Scaling of furnace stock is reduced by __________ in flue gas. High CO/CO₂ All of these H₂ CO High CO/CO₂ All of these H₂ CO ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Forced recirculation of furnace gases is practised All of these In furnaces, operating below 750°C To ensure uniform temperature To increase heat transfer by convection All of these In furnaces, operating below 750°C To ensure uniform temperature To increase heat transfer by convection ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of muffle furnace depends on the Properties of the muffle wall (temperature, area, emissivity) Surface area & emissivity of the stock Both A & B Neither A nor B Properties of the muffle wall (temperature, area, emissivity) Surface area & emissivity of the stock Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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