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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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?

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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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