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ধীরে ধীরে সংঘঠিত সমোষ্ণ (isothermal) রুদ্ধতাপীয়(adiabatic) পরিবর্তনে এন্ট্রপির পরিবর্তন (Δs) কত?
A Δs=0
B Δs>0
C Δs<0
D উপরের সবগুলো
The isothermal and adiabatic processes are regarded as
A Reversible process
B Irreversible process
C Reversible or irreversible process
D None of these
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 ∞
What is the ratio of adiabatic compressibility to isothermal compressibility?
A 1
B > 1
C >> 1
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
Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in
A Decreased solute solubility
B Large minimum liquid to gas (L/G) ratio
C Large number of trays
D All of the above
Work done in an adiabatic process between a given pair of end states depends on
A The end states only
B Particular adiabatic process
C The value of index ‘n’
D The value of heat transferred
The work done in an adiabatic change in a particular gas depends upon changes in the __________ only.
A Temperature
B Specific heat
C Volume
D Pressure
Work done in an adiabatic process between two states depends on the
A Rate of heat transmission
B Initial state only
C End states only
D None of these

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