Fuels and Combustion
The fuel ratio of a coal is
the ratio of its percentage of fixed carbon to that of volatile matter.
helpful in estimation of its rank.
BOth (A) and (B).
neither (a) nor (b).
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The fugacity of liquid water at 298 K is approximately 3171 Pa. Considering the ideal heat of vaporisation as 43723 J/gm mole, its fugacity at 300 K would be
Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium
Phosphoric acid is produced in wet process from phosphate rock and