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.Management Sciences
A. Δ S1 is always Δ SR
C. Δ S1 is always > Δ SR
D. Δ S1 is always = Δ SR
Related Mcqs:
- Pick out the correct statement?
- A. Like internal energy and enthalpy, the absolute value of standard entropy for elementary substances is zero B. Melting of ice involves increase in enthalpy and a decrease in randomness C. The internal energy of an ideal gas depends only on its pressure D. Maximum work is done under reversible conditions...
- Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid used in ideal refrigeration cycle is_____________________?
- A. Positive B. Negative C. Zero D. Infinity...
- Which of the following is not a reversible process ?
- A. Expansion of an ideal gas against constant pressure B. Atmospheric pressure vaporisation of water at 100°C C. Solution of NaCl in water at 50°C D. None of these...
- Melting of wax is accompanied with ______________ in entropy?
- A. Increase B. Decrease C. No change D. None of these...
- In the equation, PVn = constant, if the value of n = 1, then it represents a reversible _____________ process?
- A. Isothermal B. Isobaric C. Polytropic D. Adiabatic...
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