Q. Heat pump

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Q. The temperature at which both liquid and gas phases are identical, is called the __________ point.

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

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Q. Co-efficient of Performance (COP) of a refrigerator is the ratio of the

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Q. A solid metallic block weighing 5 kg has an initial temperature of 500°C. 40 kg of water initially at 25°C is contained in a perfectly insulated tank. The metallic block is brought into contact with water. Both of them come to equilibrium. Specific heat of block material is 0.4 kJ.kg⁻¹. K⁻¹. Ignoring the effect of expansion and contraction and also the heat capacity to tank, the total entropy change in kJ.kg⁻¹ , K⁻¹ is

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Q. dW and dq are not the exact differential, because q and W are

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Q. Entropy change of mixing two liquid substances depends upon the

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Q. The four properties of a system viz. P, V, T, S are related by __________ equation.

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Q. If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________ c.c.

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Q. Pick out the wrong statement.

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Q. The principle applied in liquefaction of gases is

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Q. Refrigeration capacity of a household refrigerator may be round about __________ tons.

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Q. Chemical potential is a/an

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Q. In polytropic process (PVⁿ = constant), if n = 1; it means a/an __________ process.

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Q. When dilute aqueous solutions of two salts are mixed, the process is associated with

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Q. Pick out the correct statement.

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

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Q. An isolated system can exchange __________ with its surroundings.

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Q. Requisites of a reversible process is that the

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Q. Trouton's ratio of __________ liquids is calculated using Kistyakowsky equation.

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