Furnace Technology Questions

• Ingress of cold air in the furnaces through cracks, charging doors, openings etc.
• Specific heating capacity of a furnace is expressed as
• Heat transfer takes place through a liquid medium surrounding the submerged material under heating, in case of a/an
• Shaft furnaces are used for
• 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
• Which is a regenerative furnace?
• In which of the waste heat recovery equipment, the flow of flue gas and air is alternately reversed after a fixed interval of time?
• __________ furnace is not an electric furnace.
• Regenerators are normally provided in the
• Scaling of furnace stock is reduced by __________ in flue gas.
• Design of waste heat boiler for recovery of waste heat from furnace gases depends upon the
• Which of the following is a directly fired intermittant furnace?
• Turn down ratio of a burner
• Thermal efficiency of furnaces can be improved by
• The main function of a muffle in the muffle furnace is to
• The electric furnace in which heat is produced by a combination of induced current and skin effect is called __________ furnace.
• The heating capacity of muffle furnace depends on the
• Air filtration in a furnace
• Use of pulverised coal in boilers provides
• Which of the following furnaces will have maximum thermal efficiency?