Friday 7 December 2018

CALORIFIC VALUE

THANKS TO SHRI JKP SIR QUALITATIVE IMPROVEMENT DURING KSS DISCUSSION
2 CALORIFIC VALUE • It is defined as “the total amount of heat liberated ,when a unit mass of fuel is burnt completely”. •...

3 TYPES OF CALORIFIC VALUES With fuels containing hydrogen, two calorificvalues are distinguished, Higher Or Gross Calor...
4 Higher Calorific Value • It is defined as • “the total amount of heat liberated ,when a unit mass of fuel is burnt compl...

5 Lower Calorific Value • It is defined as • “the net heat produced ,when a unit quantity of the fuel is completely burnt ...
Calculation of Net calorific value Net calorific value=gross calorific value-latent heat of water vapours Ncv=Gcv-weight o...

Theoretical Calculation Of Calorific Value Dulong’SFormula : • If both hydrogen and oxygen are present, it may be assumed ...

Let us discuss few multiple choice questions • Que1.Agood fuel possess: a. Net calorific value b. Lower calorific value c....


• Que2. Latent heat of water vapours is a. 578 kcal/kg b. 587 kcal/kg c. 598 kcal/kg d. None of these • Ans (b) 10









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