Answer / sud

Simply enthalphy is change of heat or it is sum of internal energy and potential energy...

Answer / zoozoo

Enthalpy is the total energy of a thermodynamic system. H= U+PV .

Answer / allu phanindra

it is a measure of total energy of a thermodynamic system

Answer / pugal

enthalpy is the amount of energy in a system capable of doing mechanical work

Answer / paramasivan

heat energy required for increase the temperature 1 degree
Celsius of 1kg mass

In Rankine Cycle we use the concept of Tm(mean temperature of heat addition).In actual cycle the efficiency comes as n=1-T2/T1 Taking Tm into consideration it comes as n=1-T2/Tm as T1>Tm so the efficiency for both case will not same for a same cycle. Can anybody explain how it is possible? Advance appreciation for your effort.Thanks

0 Answers   Sail,

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At the nozzle throat wats the value of mach no. >1 ,<1 ,=1

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why you are join this company?

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Give the safety precaution when working in a high place.

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in regenrative cycle why to use two liquid(water&mercury) on steam genration cycle.

0 Answers  

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15. What is the difference between first angle projection and third angle projection?

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Please provide me Hindustan Pretroleum Question Paper with Answers

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Under what condition a convergent divergent nozzle required ?

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Bearing no : 6402 what is the ID ,OD,width

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what is the difference between cold and hot spark plug? mention their place of use with justification?

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