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In a throttling process with negligible change in the potential and kinetic energies:
  • a)
    the enthalpy remains constant
  • b)
    the entropy remains constant
  • c)
    the pressure remains constant
  • d)
    the enthalpy does not remain constant
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
In a throttling process with negligible change in the potential and k...
When a fluid flows through a constricted passage, like a partially open valve, an orifice, or a porous plug, there is an appreciable pressure drop, and the flow is said to be throttled.
Throttling is done in an insulated pipe with a partially open valve.
From S.F.E.E,
As the potential and kinetic energy changes are negligible,
Thus S.F.E.E. becomes, h1= h2
i.e., enthalpy remains constant.
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In a throttling process with negligible change in the potential and kinetic energies:a)the enthalpy remains constantb)the entropy remains constantc)the pressure remains constantd)the enthalpy does not remain constantCorrect answer is option 'A'. Can you explain this answer?
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