A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the _____________ mean of P1 and P2.(where, P1 and P2 are initial and final pressures respectively) ?

Related Mcqs:

Pick out the correct statement?

A. Like internal energy and enthalpy, the absolute value of standard entropy for elementary substances is zero B. Melting of ice involves increase in enthalpy and a decrease in randomness C. The internal energy of an ideal gas depends only on its pressure D. Maximum work is done under reversible conditions...

What is the degree of freedom for a system comprising liquid water equilibrium with its vapour ?

A. 0 B. 1 C. 2 D. 3...

When dilute aqueous solutions of two salts are mixed, the process is associated with ___________________?

A. Decrease in temperature B. Increase in temperature C. No change in temperature D. Change in temperature which is a function of composition...

The intensive properties are_____________?

A. Molar volume, density, viscosity and boiling point B. Refractive index and surface tension C. Both A. and B D. None of these...

For an exothermic reaction ____________________?

A. Only enthalpy change (ΔH) is negative B. Only internal energy change (ΔE) is negative C. Both ΔH and ΔE are negative D. Enthalpy change is zero...