Furnace Technology In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of Transportation of coal Preheating the primary air Combustion of coal by supplying it around the burner Drying of coal Transportation of coal Preheating the primary air Combustion of coal by supplying it around the burner Drying of coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of muffle furnace depends on the Both A & B Surface area & emissivity of the stock Neither A nor B Properties of the muffle wall (temperature, area, emissivity) Both A & B Surface area & emissivity of the stock Neither A nor B Properties of the muffle wall (temperature, area, emissivity) ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a muffle furnace, the muffle All of these Permits the use of controlled atmosphere for the protection of stock Retards the heat transfer Assists in temperature equalisation in the charge All of these Permits the use of controlled atmosphere for the protection of stock Retards the heat transfer Assists in temperature equalisation in the charge ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The rate of scaling of furnace stock depends upon the Nature of atmosphere All of these Temperature Time Nature of atmosphere All of these Temperature Time ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer takes place through a liquid medium surrounding the submerged material under heating, in case of a/an Steam boiler Annealing furnace Salt bath furnace Blast furnace Steam boiler Annealing furnace Salt bath furnace Blast furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Means for giving direction to the circulation of gases in furnaces are Location of outlet ports and heating & combustion devices Arrangement of heating stock in the furnaces All of these Fans Location of outlet ports and heating & combustion devices Arrangement of heating stock in the furnaces All of these Fans ANSWER DOWNLOAD EXAMIANS APP
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