Furnace Technology In reverberatory furnace, charge is heated mainly by Natural convection None of these Conduction Radiation of heat from the roof of the combustion chamber Natural convection None of these Conduction Radiation of heat from the roof of the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Combustion of furnace oil in a furnace (soaking pit) with preheated combustion air at 400°C results in saving of about __________ percent furnace oil as compared to its combustion with atmospheric air, if the flue gas outlet temperature from the soaking pit is 1200°C. 5 20 60 40 5 20 60 40 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 air Furnace oil with oxygen Blast furnace gas with oxygen Furnace oil with air Blast furnace gas with air Furnace oil with oxygen Blast furnace gas with oxygen Furnace oil with air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Calcination of limestone to produce lime is done in a __________ kiln. Vertical shaft Tunnel Both B and C Rotary Vertical shaft Tunnel Both B and C Rotary ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most suitable for preheating combustion air above 650°C ? Regenerator Metallic recuperator None of these Ceramic recuperator Regenerator Metallic recuperator None of these Ceramic recuperator ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen enrichment of combustion air does not result in increase of the Stack loss 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 ANSWER DOWNLOAD EXAMIANS APP
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