02. Thermodynamics Process
Thermodynamics

148361 A sample of $0.1 \mathrm{~g}$ of water at $100^{\circ} \mathrm{C}$ and normal pressure $\left(1.013 \times 10^{5} \mathrm{Nm}^{-2}\right)$ requires 54 cal of heat energy to convert to steam at $100^{\circ} \mathrm{C}$. If the volume of the steam produced is $167.1 \mathrm{cc}$, the change in internal energy of the sample, is

1 $42.2 \mathrm{~J}$
2 $208.7 \mathrm{~J}$
3 $104.3 \mathrm{~J}$
4 $84.5 \mathrm{~J}$
Thermodynamics

148362 Two cylinders A and B fitted with pistons contain equal amounts of an ideal diatomic gas at $300 \mathrm{~K}$. Piston $A$ is free to move and piston $B$ is fixed. Same amount of heat is given to the gases in the two cylinders. Temperature of the gas in cylinder A increases by $30 \mathrm{~K}$. Then, increase in temperature of the gas in the cylinder $B$ is $(\gamma=1.4$ for diatomic gas

1 $24 \mathrm{~K}$
2 $36 \mathrm{~K}$
3 $54 \mathrm{~K}$
4 $42 \mathrm{~K}$
Thermodynamics

148363 An ideal gas is heated at constant pressure and absorbs amount of heat $Q$. If the adiabatic exponent is $\gamma$, then the fraction of heat absorbed $m$ raising the internal energy and performing the work, is:

1 $1-\frac{1}{\gamma}$
2 $1+\frac{1}{\gamma}$
3 $1-\frac{2}{\gamma}$
4 $1+\frac{2}{\gamma}$
Thermodynamics

148364 A gas under constant Pressure of $4.5 \times 10^{5} \mathrm{~Pa}$ when subjected to $800 \mathrm{~kg}$ of heat, changes the volume from $0.5 \mathrm{~m}^{3}$ to $2.0 \mathrm{~m}^{3}$. The change in the internal energy of the gas is:

1 $6.75 \times 10^{5}$
2 $5.25 \times 10^{5}$
3 $3.25 \times 10^{5}$
4 $1.25 \times 10^{5}$
Thermodynamics

148365 The gases $A$ and $B$ having same pressure $P$, volume $V$ and temperature $T$ are mixed. If the mixture has volume and temperature as $V$ and $T$ respectively, the pressure of mixture is :

1 $2 \mathrm{P}$
2 $\mathrm{P}$
3 $\frac{\mathrm{P}}{2}$
4 $4 \mathrm{P}$
Thermodynamics

148361 A sample of $0.1 \mathrm{~g}$ of water at $100^{\circ} \mathrm{C}$ and normal pressure $\left(1.013 \times 10^{5} \mathrm{Nm}^{-2}\right)$ requires 54 cal of heat energy to convert to steam at $100^{\circ} \mathrm{C}$. If the volume of the steam produced is $167.1 \mathrm{cc}$, the change in internal energy of the sample, is

1 $42.2 \mathrm{~J}$
2 $208.7 \mathrm{~J}$
3 $104.3 \mathrm{~J}$
4 $84.5 \mathrm{~J}$
Thermodynamics

148362 Two cylinders A and B fitted with pistons contain equal amounts of an ideal diatomic gas at $300 \mathrm{~K}$. Piston $A$ is free to move and piston $B$ is fixed. Same amount of heat is given to the gases in the two cylinders. Temperature of the gas in cylinder A increases by $30 \mathrm{~K}$. Then, increase in temperature of the gas in the cylinder $B$ is $(\gamma=1.4$ for diatomic gas

1 $24 \mathrm{~K}$
2 $36 \mathrm{~K}$
3 $54 \mathrm{~K}$
4 $42 \mathrm{~K}$
Thermodynamics

148363 An ideal gas is heated at constant pressure and absorbs amount of heat $Q$. If the adiabatic exponent is $\gamma$, then the fraction of heat absorbed $m$ raising the internal energy and performing the work, is:

1 $1-\frac{1}{\gamma}$
2 $1+\frac{1}{\gamma}$
3 $1-\frac{2}{\gamma}$
4 $1+\frac{2}{\gamma}$
Thermodynamics

148364 A gas under constant Pressure of $4.5 \times 10^{5} \mathrm{~Pa}$ when subjected to $800 \mathrm{~kg}$ of heat, changes the volume from $0.5 \mathrm{~m}^{3}$ to $2.0 \mathrm{~m}^{3}$. The change in the internal energy of the gas is:

1 $6.75 \times 10^{5}$
2 $5.25 \times 10^{5}$
3 $3.25 \times 10^{5}$
4 $1.25 \times 10^{5}$
Thermodynamics

148365 The gases $A$ and $B$ having same pressure $P$, volume $V$ and temperature $T$ are mixed. If the mixture has volume and temperature as $V$ and $T$ respectively, the pressure of mixture is :

1 $2 \mathrm{P}$
2 $\mathrm{P}$
3 $\frac{\mathrm{P}}{2}$
4 $4 \mathrm{P}$
Thermodynamics

148361 A sample of $0.1 \mathrm{~g}$ of water at $100^{\circ} \mathrm{C}$ and normal pressure $\left(1.013 \times 10^{5} \mathrm{Nm}^{-2}\right)$ requires 54 cal of heat energy to convert to steam at $100^{\circ} \mathrm{C}$. If the volume of the steam produced is $167.1 \mathrm{cc}$, the change in internal energy of the sample, is

1 $42.2 \mathrm{~J}$
2 $208.7 \mathrm{~J}$
3 $104.3 \mathrm{~J}$
4 $84.5 \mathrm{~J}$
Thermodynamics

148362 Two cylinders A and B fitted with pistons contain equal amounts of an ideal diatomic gas at $300 \mathrm{~K}$. Piston $A$ is free to move and piston $B$ is fixed. Same amount of heat is given to the gases in the two cylinders. Temperature of the gas in cylinder A increases by $30 \mathrm{~K}$. Then, increase in temperature of the gas in the cylinder $B$ is $(\gamma=1.4$ for diatomic gas

1 $24 \mathrm{~K}$
2 $36 \mathrm{~K}$
3 $54 \mathrm{~K}$
4 $42 \mathrm{~K}$
Thermodynamics

148363 An ideal gas is heated at constant pressure and absorbs amount of heat $Q$. If the adiabatic exponent is $\gamma$, then the fraction of heat absorbed $m$ raising the internal energy and performing the work, is:

1 $1-\frac{1}{\gamma}$
2 $1+\frac{1}{\gamma}$
3 $1-\frac{2}{\gamma}$
4 $1+\frac{2}{\gamma}$
Thermodynamics

148364 A gas under constant Pressure of $4.5 \times 10^{5} \mathrm{~Pa}$ when subjected to $800 \mathrm{~kg}$ of heat, changes the volume from $0.5 \mathrm{~m}^{3}$ to $2.0 \mathrm{~m}^{3}$. The change in the internal energy of the gas is:

1 $6.75 \times 10^{5}$
2 $5.25 \times 10^{5}$
3 $3.25 \times 10^{5}$
4 $1.25 \times 10^{5}$
Thermodynamics

148365 The gases $A$ and $B$ having same pressure $P$, volume $V$ and temperature $T$ are mixed. If the mixture has volume and temperature as $V$ and $T$ respectively, the pressure of mixture is :

1 $2 \mathrm{P}$
2 $\mathrm{P}$
3 $\frac{\mathrm{P}}{2}$
4 $4 \mathrm{P}$
Thermodynamics

148361 A sample of $0.1 \mathrm{~g}$ of water at $100^{\circ} \mathrm{C}$ and normal pressure $\left(1.013 \times 10^{5} \mathrm{Nm}^{-2}\right)$ requires 54 cal of heat energy to convert to steam at $100^{\circ} \mathrm{C}$. If the volume of the steam produced is $167.1 \mathrm{cc}$, the change in internal energy of the sample, is

1 $42.2 \mathrm{~J}$
2 $208.7 \mathrm{~J}$
3 $104.3 \mathrm{~J}$
4 $84.5 \mathrm{~J}$
Thermodynamics

148362 Two cylinders A and B fitted with pistons contain equal amounts of an ideal diatomic gas at $300 \mathrm{~K}$. Piston $A$ is free to move and piston $B$ is fixed. Same amount of heat is given to the gases in the two cylinders. Temperature of the gas in cylinder A increases by $30 \mathrm{~K}$. Then, increase in temperature of the gas in the cylinder $B$ is $(\gamma=1.4$ for diatomic gas

1 $24 \mathrm{~K}$
2 $36 \mathrm{~K}$
3 $54 \mathrm{~K}$
4 $42 \mathrm{~K}$
Thermodynamics

148363 An ideal gas is heated at constant pressure and absorbs amount of heat $Q$. If the adiabatic exponent is $\gamma$, then the fraction of heat absorbed $m$ raising the internal energy and performing the work, is:

1 $1-\frac{1}{\gamma}$
2 $1+\frac{1}{\gamma}$
3 $1-\frac{2}{\gamma}$
4 $1+\frac{2}{\gamma}$
Thermodynamics

148364 A gas under constant Pressure of $4.5 \times 10^{5} \mathrm{~Pa}$ when subjected to $800 \mathrm{~kg}$ of heat, changes the volume from $0.5 \mathrm{~m}^{3}$ to $2.0 \mathrm{~m}^{3}$. The change in the internal energy of the gas is:

1 $6.75 \times 10^{5}$
2 $5.25 \times 10^{5}$
3 $3.25 \times 10^{5}$
4 $1.25 \times 10^{5}$
Thermodynamics

148365 The gases $A$ and $B$ having same pressure $P$, volume $V$ and temperature $T$ are mixed. If the mixture has volume and temperature as $V$ and $T$ respectively, the pressure of mixture is :

1 $2 \mathrm{P}$
2 $\mathrm{P}$
3 $\frac{\mathrm{P}}{2}$
4 $4 \mathrm{P}$
Thermodynamics

148361 A sample of $0.1 \mathrm{~g}$ of water at $100^{\circ} \mathrm{C}$ and normal pressure $\left(1.013 \times 10^{5} \mathrm{Nm}^{-2}\right)$ requires 54 cal of heat energy to convert to steam at $100^{\circ} \mathrm{C}$. If the volume of the steam produced is $167.1 \mathrm{cc}$, the change in internal energy of the sample, is

1 $42.2 \mathrm{~J}$
2 $208.7 \mathrm{~J}$
3 $104.3 \mathrm{~J}$
4 $84.5 \mathrm{~J}$
Thermodynamics

148362 Two cylinders A and B fitted with pistons contain equal amounts of an ideal diatomic gas at $300 \mathrm{~K}$. Piston $A$ is free to move and piston $B$ is fixed. Same amount of heat is given to the gases in the two cylinders. Temperature of the gas in cylinder A increases by $30 \mathrm{~K}$. Then, increase in temperature of the gas in the cylinder $B$ is $(\gamma=1.4$ for diatomic gas

1 $24 \mathrm{~K}$
2 $36 \mathrm{~K}$
3 $54 \mathrm{~K}$
4 $42 \mathrm{~K}$
Thermodynamics

148363 An ideal gas is heated at constant pressure and absorbs amount of heat $Q$. If the adiabatic exponent is $\gamma$, then the fraction of heat absorbed $m$ raising the internal energy and performing the work, is:

1 $1-\frac{1}{\gamma}$
2 $1+\frac{1}{\gamma}$
3 $1-\frac{2}{\gamma}$
4 $1+\frac{2}{\gamma}$
Thermodynamics

148364 A gas under constant Pressure of $4.5 \times 10^{5} \mathrm{~Pa}$ when subjected to $800 \mathrm{~kg}$ of heat, changes the volume from $0.5 \mathrm{~m}^{3}$ to $2.0 \mathrm{~m}^{3}$. The change in the internal energy of the gas is:

1 $6.75 \times 10^{5}$
2 $5.25 \times 10^{5}$
3 $3.25 \times 10^{5}$
4 $1.25 \times 10^{5}$
Thermodynamics

148365 The gases $A$ and $B$ having same pressure $P$, volume $V$ and temperature $T$ are mixed. If the mixture has volume and temperature as $V$ and $T$ respectively, the pressure of mixture is :

1 $2 \mathrm{P}$
2 $\mathrm{P}$
3 $\frac{\mathrm{P}}{2}$
4 $4 \mathrm{P}$