Embibe Experts Solutions for Chapter: Thermodynamics, Exercise 1: CG PET 2019

An insulated box containing a diatomic gas of molar mass $M$ is moving with a velocity $v$. The box is suddenly stopped. The resulting change in temperature is (Where, $R$ is the gas constant)

For a gas if $\gamma =1.4,$ then atomicity, specific heat capacity at constant pressure and specific heat capacity at constant volume of the gas are respectively

$1$ mole of gas with $\gamma =\frac{7}{5}$ is mixed with $1$ mole of gas with $\gamma =\frac{5}{3}$, then the value of $\gamma$ for the resulting mixture is

An ideal gas is taken through the cycle $A\to B\to C\to A$, as shown in the figure below. If the net heat supplied to the gas is $5\mathrm{J}$, then the work done by the gas in the process $C\to A$ is

The volume of a gas is reduced adiabatically to $\frac{1}{4}$ of its volume at $27 °C$. If $\gamma =1.4$, then the new temperature will be

A diatomic ideal gas is compressed adiabatically to $\frac{1}{32}$ of its initial volume. If the initial temperature of the gas is $T_1$ (in kelvin) and the final temperature is $\alpha T_i$, the value of $\alpha$ is

Which of the following is not true about the process?

For which of the following processes, entropy change is zero?