Thermodynamics

Thermodynamic change in the system from state $(P_1, V_1)$ to $(P_2, V_2)$ is shown in the figure. The work done by the system is

A gas is taken through a cycle $A \rightarrow B \rightarrow C \rightarrow A$, as shown in the figure. The net work done by the gas is

The work done by an ideal gas during closed cycle $1 \rightarrow 2 \rightarrow 3 \rightarrow 4 \rightarrow 1$ as shown in figure is

One mole of an ideal gas in initial state A undergoes a cyclic process ABCA, as shown in the figure. Its pressure at A is $P_0$. Choose the correct option from the following.

For a cyclic thermodynamic process

Which of the following is NOT a correct equation for adiabatic process?

A gas for which $\gamma = {5}/{3}\ \left(\gamma = {C_p}/{C_v}\right)$ is heated at constant pressure. The percentage of heat supplied used for external work is

Which of the following statements is NOT CORRECT? In an isothermal process, a. there is perfect thermal equilibrium with environment. b. there is no change in internal energy during the process. c. the work done is…

A monoatomic gas is compressed to $(1/8)$ th of its volume adiabatically. If its initial pressure is $P_0$, then increase in the pressure will be

The second law of thermodynamics deals with the transfer of a. only work. b. momentum. c. heat. d. only pressure?

In thermodynamic processes, which one of the following statements is 'NOT' correct ?

For the Carnot heat engine, if the temperature of the hot reservoir is increased, then efficiency of the Carnot engine