GATE XE concept:joule-thomson-coefficient PYQs & Answers

Questions 1–3 of 3. Imported answers require independent review unless marked reviewed.

It is given that:

and

. Here

is the mass specific enthalpy,

is the mass specific volume,

is the volume expansivity, and

is the mass specific heat capacity at constant pressure.

and

represent the temperature and the pressure, respectively. The inversion temperature is the temperature at which the Joule-Thomson coefficient,

, goes to zero.

Consider a fluid with properties:

/kg,

kJ/kg-K, and

1/K;

The inversion temperature (in K) for the fluid is ________ (rounded off to two decimal places).

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The general relation among the properties

and

at any state point can be expressed as

. If

and

are continuous functions and

is the Joule-Thomson coefficient, then

Your answerChoose one option.

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A gas obeys the following equation of state:

where

is molar volume, and

are constants with values

J.K/Pa

.kmol and

/kmol. Take

kJ/kmol.K. At 10 bar and 500 K, the value of the Joule-Thomson coefficient (in K/Pa) is

Your answerChoose one option.

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GATE XE concept:joule-thomson-coefficient PYQs