Furnace Technology Low stack loss indicates the Oxygen enrichment of combustion air Efficient use of fuel Inefficient use of fuel Use of sub-stoichiometric air for combustion Oxygen enrichment of combustion air Efficient use of fuel Inefficient use of fuel Use of sub-stoichiometric air for combustion ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of furnaces can be improved by Maintaining proper draught All of these Minimising heat losses from furnace walls Waste heat recovery from flue gas Maintaining proper draught All of these Minimising heat losses from furnace walls Waste heat recovery from flue gas 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 Blast furnace gas with air Furnace oil with air Furnace oil with oxygen Blast furnace gas with oxygen Blast furnace gas with air Furnace oil with air Furnace oil with oxygen ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Furnace pressure is normally controlled by regulating the Damper Fuel gas pressure Air pressure Speed of I.D. fan Damper Fuel gas pressure Air pressure Speed of I.D. fan ANSWER DOWNLOAD EXAMIANS APP
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 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 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures. 350 1050 750 1250 350 1050 750 1250 ANSWER DOWNLOAD EXAMIANS APP
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