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

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. All gases except ____________ shows a cooling effect during throttling process at atmospheric temperature and pressure?

   A. Oxygen B. Nitrogen C. Air D. Hydrogen...

3. All gases during throttling process at atmospheric temperature and pressure show a cooling effect except__________________?

   A. CO2 B. H2 C. O2 D. N2...

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

   A. Below B. At C. Above D. Either B. or C....

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

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

6. Throttling process is a/an _____________ process?

   A. Reversible and isothermal B. Irreversible and constant enthalpy C. Reversible and constant entropy D. Reversible and constant enthalpy...

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

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

8. 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...

9. The adiabatic throttling process of a perfect gas is one of constant enthalpy_________________?

   A. In which there is a temperature drop B. Which is exemplified by a non-steady flow expansion C. Which can be performed in a pipe with a constriction D. In which there is an increase in temperature...

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

    A. 0 B. ∞ C. +ve D. -ve...