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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Q. As the temperature is lowered towards the absolute zero, the value of the quantity (∂ΔF/∂T) approaches

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Q. An ideal liquid refrigerant should

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Q. If the heat of solution of an ideal gas in a liquid is negative, then its solubility at a given partial pressure varies with the temperature as

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Q. In case of a reversible process (following pvⁿ = constant), work obtained for trebling the volume (v₁ = 1 m³ and v₂ = 3 m³ ) is max imum, when the value of 'n' is

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Q. The value of Joule-Thomson co-efficient, in case where cooling occurs after the throttling process is

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Q. Adiabatic compression of a saturated water vapour makes it

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Q. The specific heat of saturated water vapour at 100°C is

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