Furnace Technology In order to maintain an oxidising atmosphere in a furnace, it should have More of CO in flue gas More of excess air More of CO₂ in flue gas Less of excess air More of CO in flue gas More of excess air More of CO₂ in flue gas Less of excess air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most important deterrants to an extended use of pulverised coal in boiler firing? Excessive fly ash discharge from the stack Erosion of induced draft fan blades Ash disposal problem Higher power consumption in its transportation Excessive fly ash discharge from the stack Erosion of induced draft fan blades Ash disposal problem Higher power consumption in its transportation ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Calcination of limestone to produce lime is done in a __________ kiln. Vertical shaft Both B and C Tunnel Rotary Vertical shaft Both B and C Tunnel Rotary ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators as compared to recuperators for the same duty Are lighter & compact All of these Involve higher initial cost Store smaller quantity of waste heat Are lighter & compact All of these Involve higher initial cost Store smaller quantity of waste heat ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Low stack loss indicates the Use of sub-stoichiometric air for combustion Efficient use of fuel Inefficient use of fuel Oxygen enrichment of combustion air Use of sub-stoichiometric air for combustion Efficient use of fuel Inefficient use of fuel Oxygen enrichment of combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of continuous reheating furnace depends upon the Ratio of wall surface to stock surface All of these Hearth area and furnace temperature Emissivity of the stock Ratio of wall surface to stock surface All of these Hearth area and furnace temperature Emissivity of the stock ANSWER DOWNLOAD EXAMIANS APP
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