Q.

The equilibrium state of a thermodynamic system is described by
A. Pressure
B. Total heat
C. Temperature
D. Volume
E. Work done

Choose the most appropriate answer from the options given below:                   [2024]

1 A, B and E only  
2 B, C and D only  
3 A, B and C only  
4 A, C and D only  

Ans.

(4)

For describing a particular state of a thermodynamic system, we need state variables such as pressure, temperature and volume. Path variables such as work and heat can only tells us the difference between state variables of two states.