Identification of Different Process

Q. A cyclic process ABCD is shown in the P-V diagram for an ideal gas. Which of the following diagrams represents the same process?

1. 
2. 
3. 
4. 

Q. During adiabatic expansion of an ideal gas

1. $w=-\Delta U$
2. $w=\Delta U$
3. $\Delta U=0$
4. $w=0$

Q.

Which of the following is true for an adiabatic process?

1. d Q = 0

2. d V = 0

3. d P = 0

4. d T = 0

Q.

Two moles of an ideal gas is heated at a constant pressure of one atmosphere from ${27}^{\circ }C$ to ${127}^{\circ }C$. If $C_{v,m}=20+{10}^{-2}TJ{K}^{-1}mo{l}^{-1}$, then $q$ and $\Delta U$ for the process are:

1. 6362.8 J, 4700 J

2. 1522.2 J, 1124.4 J

3. 7062.8, 5400 J

4. 3181.4 J, 2350 J

Q.

Which of the following is zero for an isochoric process

1. dP
2. dV
3. dT
4. dE

Q. Two moles of an ideal gas are heated at a constant pressure of 1 atm from ${27}^{\circ }C\text{to}{127}^{\circ }C$. If $C_{v,m}=20+{10}^{-2}TJ{K}^{-1}mo{l}^{-1}$, then q and $\Delta U$ for the process are respectively:

1. 6366.7 J, 4700 J
2. 3033.3 J, 4700 J
3. 7066.7 J, 5400 J
4. 4016.7 J, 2350 J

Q. The process, in which no heat enters or leaves the system, is termed as

1. Isochoric
2. Isobaric
3. Isothermal
4. Adiabatic

Q.

(1) & (2) represent what kind of processes?

1. Isochoric & Isobaric

2. Isobaric & Isochoric

3. Isothermal & Isobaric

4. Isobaric & Isothermal