Furnace Technology Circulation of gases in furnace is caused by the Difference in density between hot and cold gases Furnace pressure in conjunction with draft in flues All of these Change in volume during a change of temperature Difference in density between hot and cold gases Furnace pressure in conjunction with draft in flues All of these Change in volume during a change of temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the charge/stock in a furnace does not depend upon the Flue gas temperature Type of fuels viz solid, liquid or gaseous Emissivity of refractory walls Initial temperature of the charged stock Flue gas temperature Type of fuels viz solid, liquid or gaseous Emissivity of refractory walls Initial temperature of the charged stock ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Recuperator is Heavier than regenerator meant for the same duty A continuous waste heat recovery equipment Not used for fuel gas preheating An intermittant waste heat recovery equipment Heavier than regenerator meant for the same duty A continuous waste heat recovery equipment Not used for fuel gas preheating An intermittant waste heat recovery equipment 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 Graphite powder Beryllium Zircon powder Thoria Graphite powder Beryllium Zircon powder Thoria ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ostwald charts are meant for Computation of flue gas analysis None of these Calculation of flue gas temperature Computing the excess/deficiency of combustion air Computation of flue gas analysis None of these Calculation of flue gas temperature Computing the excess/deficiency of combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In producer gas making furnace, steam is added along with air to mainly control the Fusion of coal ash & clinker formation V. of producer gas Temperature of producer gas Tar content in producer gas Fusion of coal ash & clinker formation V. of producer gas Temperature of producer gas Tar content in producer gas ANSWER DOWNLOAD EXAMIANS APP
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