A. Zero
B. Positive
C. Negative
D. None of these
Related Mcqs:
- 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 - What is the value of Joule-Thomson co-efficient for an ideal gas ?
A. +ve
B. -ve
C. 0
D. ∞ - The value of Joule-Thomson co-efficient, in case where cooling occurs after the throttling process is________________?
A. 0
B. ∞
C. +ve
D. -ve - 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 - Joule-Thomson co-efficient depends on the_____________________?
A. Pressure
B. Temperature
C. Both A. & B
D. Neither A. nor B - Joule-Thomson Co-efficient at any point on the inversion curve is___________________?
A. ∞
B. +ve
C. 0
D. -ve - 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 - 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 - During Joule-Thomson expansion of gases_________________?
A. Enthalpy remains constant
B. Entropy remains constant
C. Temperature remains constant
D. None of these - Throttling (Joule-Thomson effect) process is a constant _____________ process?
A. Enthalpy
B. Entropy
C. Pressure
D. None of these
