A. Reversible and isothermal
B. Irreversible and constant enthalpy
C. Reversible and constant entropy
D. Reversible and constant enthalpy
Related Mcqs:
- Joule-Thomson effect i.e., a throttling process is a constant _____________ process?
A. Entropy
B. Temperature
C. Internal energy
D. Enthalpy - Throttling (Joule-Thomson effect) process is a constant _____________ process?
A. Enthalpy
B. Entropy
C. Pressure
D. None of these - 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 - Which one is true for a throttling process ?
A. A gas may have more than one inversion temperatures
B. The inversion temperature is different for different gases
C. The inversion temperature is same for all gases
D. The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity - The value of Joule-Thomson co-efficient, in case where cooling occurs after the throttling process is________________?
A. 0
B. ∞
C. +ve
D. -ve - All gases except ____________ shows a cooling effect during throttling process at atmospheric temperature and pressure?
A. Oxygen
B. Nitrogen
C. Air
D. Hydrogen - All gases during throttling process at atmospheric temperature and pressure show a cooling effect except__________________?
A. CO2
B. H2
C. O2
D. N2 - 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) - After throttling, gas temperature___________________?
A. Decreases
B. Increases
C. Remain same
D. May increase or decrease; depends on the nature of the gas - ________________ decreases during adiabatic throttling of a perfect gas?
A. Entropy
B. Temperature
C. Enthalpy
D. Pressure
