Q. Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)?

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Q. Measurement of thermodynamic property of temperature is facilitated by __________ law of thermodynamics.

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Q. The theoretical minimum work required to separate one mole of a liquid mixture at 1 atm, containing 50 mole % each of n- heptane and n- octane into pure compounds each at 1 atm is

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Q. Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the temperature should be raised to __________ °C.

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Q. Solubility of a substance which dissolves with an increase in volume and liberation of heat will be favoured by the

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Q. Entropy is a measure of the __________ of a system.

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Q. A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is

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Q. Fundamental principle of refrigeration is based on the __________ law of thermodynamics.

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Q. For a spontaneous process, free energy

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Q. Equilibrium constant decreases as the temperature

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Q. All gases during throttling process at atmospheric temperature and pressure show a cooling effect except

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Q. Compressibility factor for almost all the gases are approximately same at the same

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Q. Pick out the wrong statement.

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Q. "At the absolute zero temperature, the entropy of every perfectly crystalline substance becomes zero". This follows from the

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Q. During Joule-Thomson expansion of gases

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Q. The accentric factor of a materical, 'ω', is defined as ω = -log₁₀(Prsat)Tr⁻¹ = 0.7, where, Prsat = reduced vapor pressure, Tr = reduced temperature. The value of accentric factor is always

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Q. Degress of freedom at triple point will be

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Q. "Law of corresponding states" says that

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Q. Linde gas liquefaction process employs cooling

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Q. Pick out the wrong statement pertaining to the decomposition of PCl₅ represented by,

PCl₅ ↔ PCl₃ + Cl₂

Degree of dissociation of PCl₅ will

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