Furnace Technology The main function of a muffle in the muffle furnace is to Smooth out temperature inequalities on the combustion side of the muffle wall Protect the charge from the effects of the products of combustion Neither A nor B Both A & B Smooth out temperature inequalities on the combustion side of the muffle wall Protect the charge from the effects of the products of combustion Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent. 80 40 60 20 80 40 60 20 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators as compared to recuperators for the same duty Are lighter & compact Involve higher initial cost Store smaller quantity of waste heat All of these Are lighter & compact Involve higher initial cost Store smaller quantity of waste heat All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Low stack loss indicates the Inefficient use of fuel Use of sub-stoichiometric air for combustion Efficient use of fuel Oxygen enrichment of combustion air Inefficient use of fuel Use of sub-stoichiometric air for combustion Efficient use of fuel Oxygen enrichment of combustion air ANSWER DOWNLOAD EXAMIANS APP
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 Design of waste heat boiler for recovery of waste heat from furnace gases depends upon the Quantity & temperature of waste gas Dust concentration & nature of dust in waste gas Corrosive nature of the waste gas All of these Quantity & temperature of waste gas Dust concentration & nature of dust in waste gas Corrosive nature of the waste gas All of these ANSWER DOWNLOAD EXAMIANS APP
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