A. Decreases
B. Increases
C. Remain same
D. May increase or decrease; depends on the nature of the gas
Related Mcqs:
- 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 - ________________ decreases during adiabatic throttling of a perfect gas?
A. Entropy
B. Temperature
C. Enthalpy
D. Pressure - The compressibility factor of a gas is given by (where, V1 = actual volume of the gas V2 = gas volume predicted by ideal gas law)____________________?
A. V1/V2
B. V2/V1
C. V1 – V2
D. V1.V2 - Equilibrium constant decreases as the temperature___________________?
A. Increases, for an exothermic reaction
B. Decreases, for an exothermic reaction
C. Increases, for an endothermic reaction
D. None of these - The density of a gas ‘X’ is twice that of another gas ‘Y’. If the molecular weight of gas ‘Y’ is ‘M’; then the molecular weight of the gas ‘X’ will be________________?
A. 2M
B. M/2
C. M
D. M/4 - Joule-Thomson effect i.e., a throttling process is a constant _____________ process?
A. Entropy
B. Temperature
C. Internal energy
D. Enthalpy - All gases except ____________ shows a cooling effect during throttling process at atmospheric temperature and pressure?
A. Oxygen
B. Nitrogen
C. Air
D. Hydrogen - 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 - All gases during throttling process at atmospheric temperature and pressure show a cooling effect except__________________?
A. CO2
B. H2
C. O2
D. N2 - Throttling (Joule-Thomson effect) process is a constant _____________ process?
A. Enthalpy
B. Entropy
C. Pressure
D. None of these
