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Question

In a throttling process with negligible change in the potential and kinetic energies:

A.

The enthalpy remains constant.

B.

The enthalpy does not remains constant.

C.

The entropy remains constant.

D.

The pressure remains constant. 

Answer ( Option A)

The enthalpy remains constant.

Solution

In a throttling process with negligible change in the potential and kinetic energy, the enthalpy remains constant.

Refer Sol. 1.80 for more details

Hence, the correct option is (A).

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