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 Preheating the combustion air Preheating the fuel gas Increasing the draft in the furnace Oxygen enrichment of combustion air Preheating the combustion air Preheating the fuel gas Increasing the draft in the furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Forced recirculation of furnace gases is practised To ensure uniform temperature In furnaces, operating below 750°C All of these To increase heat transfer by convection To ensure uniform temperature In furnaces, operating below 750°C All of these To increase heat transfer by convection ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The advantages of firing pulverised coal in the furnace lies in the fact that, it All of these Permits the use of high ash content coal Permits the use of low fusion point ash coal Accelerates the burning rate and economises on fuel consumption All of these Permits the use of high ash content coal Permits the use of low fusion point ash coal Accelerates the burning rate and economises on fuel consumption ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Use of pulverised coal in boilers provides Better combustion Less erosion on furnace wall Higher calorific value Smokeless burning Better combustion Less erosion on furnace wall Higher calorific value Smokeless burning ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Combustion of furnace oil in a furnace (soaking pit) with preheated combustion air at 400°C results in saving of about __________ percent furnace oil as compared to its combustion with atmospheric air, if the flue gas outlet temperature from the soaking pit is 1200°C. 20 40 60 5 20 40 60 5 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Soaking pits are meant for heating steel Slabs Sheets Coils Ingots Slabs Sheets Coils Ingots ANSWER DOWNLOAD EXAMIANS APP
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