Furnace Technology Low stack loss indicates the 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 Inefficient use of fuel ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Higher furnace temperature can not be achieved by use of a lean fuel gas in the furnace by Oxygen enrichment of combustion air Increasing the draft in the furnace Preheating the combustion air Preheating the fuel gas Oxygen enrichment of combustion air Increasing the draft in the furnace Preheating the combustion air Preheating the fuel gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Circulation of gases in furnace is caused by the Change in volume during a change of temperature Difference in density between hot and cold gases All of these Furnace pressure in conjunction with draft in flues Change in volume during a change of temperature Difference in density between hot and cold gases All of these Furnace pressure in conjunction with draft in flues ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of Thoria Beryllium Zircon powder Graphite powder Thoria Beryllium Zircon powder Graphite powder ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Artificial draught produced by a fan in the furnace can be controlled by the Speed of the fan Variation in the pitch of fan blades All of these Damper Speed of the fan Variation in the pitch of fan blades All of these Damper ANSWER DOWNLOAD EXAMIANS APP
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
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