Fuels and Combustion Washing of coal is done to reduce the Mineral matter Adhering impurities Inherent impurities Both B and C Mineral matter Adhering impurities Inherent impurities Both B and C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The hottest part of the flame lies in its____zone. Non-luminous Luminous Yellow Unburnt gases Non-luminous Luminous Yellow Unburnt gases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fixed carbon in coal is defined as The total quantity of carbon present in the coal The one which is present in the residue after combustion Hundred minus the percentage of volatile matter, ash and moisture That present in volatile matters The total quantity of carbon present in the coal The one which is present in the residue after combustion Hundred minus the percentage of volatile matter, ash and moisture That present in volatile matters ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The advantage of firing pulverised coal in the furnace lies in the fact, that it Permits the use of low fusion point ash coal Permits the use of high ash content coal All of these Accelerates the burning rate and economises on fuel combustion Permits the use of low fusion point ash coal Permits the use of high ash content coal All of these Accelerates the burning rate and economises on fuel combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 10 & 3 3 & 10 10 & 20 15 & 8 10 & 3 3 & 10 10 & 20 15 & 8 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main advantage of forced draft over natural draft is that Smaller height chimney can be used Combustion of fuel is complete All of these Furnace control is easier Smaller height chimney can be used Combustion of fuel is complete All of these Furnace control is easier ANSWER DOWNLOAD EXAMIANS APP
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