GATE 2023 || Thermodynamics || Evaluation Quiz 9

The irreversibility is defined as the difference of the maximum useful work and actual work. How can this be alternatively expressed?

Entropy is measure of

Which of the following is the reason for irreversibility due to friction?

The entropy of isolated system tends to

Match the differentials in list 1 with the corresponding differentials in list 2

List-1

A). 

B).  

C).  

List-2 
1) .  − 

2). 

3). 

A mixture of ideal gases has the following composition by mass:

If the universal gas constant is 8314 J/kmol-K. The characteristic gas constant of the mixture (in J/kg-K) is