Related Questions

The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is
A 0
B +ve
C -ve
D ∞
Ponchon Savarit method is based on the use of enthalpy concentration diagram, which contains the bubble point curve (saturated liquid curve), dew point curve (saturated vapour curve) and equilibrium tie lines. As compared to McCabe-Thiele's method, this method
A Is more accurate in finding the number of equilibrium stages
B Accounts for the enthalpy changes in the process
C Facilitates direct calculation of heat load on reboiler & condenser from, the diagram used in this method
D All of the above
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 work done in isothermal compression compared to that in adiabatic compression will be
A Less
B More
C Same
D More or less depending upon the extent of work done
The isothermal and adiabatic processes are regarded as
A Reversible process
B Irreversible process
C Reversible or irreversible process
D None of these
What is the ratio of adiabatic compressibility to isothermal compressibility?
A 1
B > 1
C >> 1
The partial pressure distribution of an ideal gas diffusing through another stagnant ideal gas at steady state follows a/an __________ law.
A Exponential
B Parabolic
C Linear
D Cubic
During a reversible isothermal expansion of an ideal gas, the entropy change is
A +ve
B 0
C -ve
D ∞
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 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

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