A gaseous system changes from state A(P1, V1, T1) to B(P2,V2,T2), B to C(P3, V3, T3) and finally from C to A. The whole process may be called:
1. reversible process
2. cyclic process
3. isobaric process
4. spontaneous process
Work done is maximum in -
1. Isobaric work
2. Isothermal work
3. Isochoric work
4. Adiabatic work
1. \(\mathrm{q} \neq 0, \quad \Delta \mathrm{T}=0, \quad \mathrm{~W}=0\)
2. \(\mathrm{q}=0, \quad \Delta \mathrm{T}=0, \quad \mathrm{~W}=0\)
3. \(\mathrm{q}=0, \quad \Delta \mathrm{T}<0, \quad \mathrm{~W} \neq 0\)
4. \(\mathrm{q}=0, \quad \Delta \mathrm{T} \neq 0, \quad \mathrm{~W}=0\)
Which of the following is zero for an isochoric process
1. dP
2. dV
3. dT
4. dE
Which of the following is true for an adiabatic process [DCE 2002; MP PET 1995, 98, 2004; CPMT 1990; MP PMT 1998, 2002]
1. ΔH = 0
2. ΔW = 0
3. ΔQ = 0
4. ΔV = 0
Which of the following is not a state function
(1) Internal energy
(2) Enthalpy
(3) Work
(4) Entropy
In a reversible isothermal process, the change in internal energy is-
1. Zero
2. Positive
3. Negative
4. None of the above
Joule-Thomson expansion is [JIPMER 2000]
(1) Isobaric
(2) Isoenthalpic
(3) Isothermal
(4) None of these
From Kirchhoff's equation which factor affects the heat of reaction [MP PMT 1990]
1. Pressure
2. Temperature
3. Volume
4. Molecularity
When a gas undergoes adiabatic expansion, it gets cooled due to -
1. Loss of energy
2. Fall in pressure
3. Decrease in velocity
4. Increase in energy with work done