Gases are cooled in Joule-Thomson expansion, when it is _____________ inversion temperature?

Related Mcqs:

1. Joule-Thomson co-efficient which is defined as, η = (∂T/∂P)H = 1/Cp (∂H/∂T)P, changes sign at a temperature known as inversion temperature. The value of Joule-Thomson co-efficient at inversion temperature is ___________________?

   A. 0 B. ∞ C. +ve D. -ve...

2. Joule-Thomson Co-efficient at any point on the inversion curve is___________________?

   A. ∞ B. +ve C. 0 D. -ve...

3. The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point is__________________?

   A. ∞ B. 1 C. 0 D. -ve...

4. During Joule-Thomson expansion of gases_________________?

   A. Enthalpy remains constant B. Entropy remains constant C. Temperature remains constant D. None of these...

5. Joule-Thomson effect i.e., a throttling process is a constant _____________ process?

   A. Entropy B. Temperature C. Internal energy D. Enthalpy...

6. Throttling (Joule-Thomson effect) process is a constant _____________ process?

   A. Enthalpy B. Entropy C. Pressure D. None of these...

7. All gases above its inversion temperature, in a throttling process will show__________________?

   A. A heating effect B. No change in temperature C. A cooling effect D. Either A. or (C)...

8. In Joule-Thomson porous plug experiment, the__________________?

   A. Enthalpy does not remain constant B. Entire apparatus is exposed to surroundings C. Temperature remains constant D. None of these...

9. The value of Joule-Thomson co-efficient, in case where cooling occurs after the throttling process is________________?

   A. 0 B. ∞ C. +ve D. -ve...

10. What is the value of Joule-Thomson co-efficient for an ideal gas ?

    A. +ve B. -ve C. 0 D. ∞...