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Question

In a throttling process:

थ्रॉटलिंग प्रक्रिया में:

A.
Pressure remains the same  
B.

Entropy remains the same 

C.

Enthalpy remains the same 

D.

Internal  energy remains the same

Answer ( Option C)

Enthalpy remains the same 

Solution

Throttling is a process where a high pressure fluid is converted into a low pressure by using a throttle valve. In a throttling process, the enthalpy remains constant and the work done is zero.

Hence, the correct option is (C).

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