Related Questions

The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is
A R loge 4
B R log10 4
C Cv log10 4
D Cv loge 4
For an isothermal reversible compression of an ideal gas
A Only ΔE = 0
B Only ΔH =0
C ΔE = ΔH = 0
D DQ = dE
The change in __________ is equal to the reversible work for compression in steady state flow process under isothermal condition.
A Internal energy
B Enthalpy
C Gibbs free energy
D Helmholtz free energy
For reversible adiabatic process, change in entropy is
A Maximum
B Minimum
C Zero
D Negative
Entropy change in case of reversible adiabatic process is
A Minimum
B Zero
C Maximum
D Indeterminate
The internal energy of an ideal gas does not change in a reversible __________ process.
A Isothermal
B Adiabatic
C Isobaric
D Isometric
In a P-V diagram (for an ideal gas), an isothermal curve will coincide withan adiabatic curve (through a point), when
A Cp v
B Cp = Cv
C Cp > Cv
D Cp ≥ Cv
The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is
A 0
B +ve
C -ve
D ∞
Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules
A Do not lose energy on collision
B Are above the inversion temperature
C Do not exert attractive force on each other
D Do work equal to loss in kinetic energy
দুটি এক-পরমাণুক আদর্শ গ্যাস পরস্পরের সাথে তাপীয় সাম্যাবস্থায় আছে। A গ্যাস m ভরের অণু দ্বারা গঠিত, এবং B গ্যাস 4m ভরের অণু দ্বারা গঠিত। A গ্যাসের আয়তন ৪ গ্যাসের আয়তনের দ্বিগুণ। এদের চাপের অনুপাত PA / PB কত? (Two monoatomic ideal gases are in thermal equilibrium with each other. Gas A is composed of molecules with mass m while gas B is composed of molecules with mass 4m. The volume of gas A is twice that of gas B. What it the ratio of their pressures PA / PB ?)
A 1/4
B 1/2
C 1
D 2

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