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

Related Mcqs:

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

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

2. 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

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

   A. 0
   B. ∞
   C. +ve
   D. -ve

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. 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

6. During Joule-Thomson expansion of gases_________________?

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

7. Joule-Thomson co-efficient is defined as__________________?

   A. μ = (∂P/∂T)H
   B. μ = (∂T/∂P)H
   C. μ = (∂E/∂T)H
   D. μ = (∂E/∂P)H

8. Joule-Thomson experiment is__________________?

   A. Isobaric
   B. Adiabatic
   C. Isenthalpic
   D. Both B. & C.

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

   A. +ve
   B. -ve
   C. 0
   D. ∞

10. 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