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Chemical Engineering · all questions

Chemical Engineering Thermodynamics
practice.

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At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure.

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Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes.

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A gas can be liquified by pressure alone only, when its temperature is __________ its critical temperature.

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In case of a close thermodynamic system, there is __________ across the boundaries.

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Clausius - Clayperon equation is applicable to __________ equilibrium processes.

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In any spontaneous process, the __________ free energy decreases.

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Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature.

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

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

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A refrigerator works on the principle of __________ law of thermodynamics.

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Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas.

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An isolated system can exchange __________ with its surroundings.

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The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of __________ and COP are the same.

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Domestic refrigerator usually works on the __________ refrigeration cycle.

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At absolute zero temperature, the __________ of the gas is zero.

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The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise.

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The expression for entropy change given by,      is valid for

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On a P-V diagram of an ideal gas, suppose a reversible adiabatic line intersects a reversible isothermal line at point A. Then at a point A, the slope of the reversible adiabatic line  and the slope of the reversible isothermal line  are related as (where,  )

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Trouton's ratio is given by (where = molal heat of vaporisation of a substance at its normal boiling point, kcal/kmol Tb = normal boiling point, °K )

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Isentropic process means a constant __________ process.

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