(1- moisture content)
(1 + moisture content)
1 + moisture content
1 - moisture content
higher effectiveness of boiler
high calorific value coal being burnt
fouling of heat transfer surfaces
raising of steam temperature
smoky chimney exit
excess air in flue gases
measuring carbon mono-oxide in flue gases
measuring temperature of flue gases at exit of furnace
same
more
less
less or more depending on size of boiler
better burning
more calorific value
less radiation loss
medium sized units