Q. What is the degree of freedom for two mis-cible (non-reacting) substances in vapor-liquid equilibrium forming an azeotrope ?

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Q. For a given substance at a specified temperature, activity is __________ to fugacity.

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Q. In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the condenser temperature constant) results in

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Q. For water at 300°C, it has a vapour pressure 8592.7 kPa and fugacity 6738.9 kPa Under these conditions, one mole of water in liquid phase has a volume of 25.28 cm³ and that in vapour phase in 391.1 cm³.Fugacity of water (in kPa) at 9000 kPa will be

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Q. The heat capacities for the ideal gas state depend upon the

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Q. Which of the following will increase the volume of a real gas by four times ?

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Q. Pick out the wrong statement.

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Q. The equation, PV = nRT, is best obeyed by gases at

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Q. Internal energy of an element at 1 atm and 25° C is __________ kcal/kg.mole.

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Q. Generation of heat by friction is an example of a/an __________ change.

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Q. A domestic refrigerator has a/an __________ cooled condenser.

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Q. The extensive properties are

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Q. The compressibility factor of a gas is given by (where, V1 = actual volume of the gas V2 = gas volume predicted by ideal gas law )

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Q. If we increase the pressure on a substance (which is at its triple point), then the triple point

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Q. Which of the following liquid metals has the highest thermal conductivity ?

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Q. Which of the following has the least thermal efficiency ?

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Q. If the internal energy of an ideal gas decreases by the same amount as the work done by the system, then the

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Q. Joule-Thomson Co-efficient at any point on the inversion curve is

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Q. Pick out the wrong statement.

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Q. __________ equation predicts the activity co-efficient from experimental data.

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