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You Are On Multi Choice Question Bank SET 329

16451. Partial molar free energy of an element A in solution is same as its

16452. Free energy change at equilibrium is

16453. Heat pump

16454. The temperature at which both liquid and gas phases are identical, is called the __________ point.

16455. What is the value of ln y (where y = activity co-efficient) for ideal gases ?

16456. A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system

16457. Which is not a refrigerant ?

16458. The partial pressure of each constituent present in an alloy is __________ the total vapor pressure exerted by the alloy.

16459. Heat is added at constant pressure in an ideal __________ cycle.

16460. Entropy change of mixing two liquid substances depends upon the

16461. The four properties of a system viz. P, V, T, S are related by __________ equation.

16462. If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________ c.c.

16463. What is also called plastic money?

16464. The principle applied in liquefaction of gases is

16465. An example of Flat bone is?

16466. The number of degrees of freedom for an azeotropic mixture in a two component vapour-liquid equilibria is/are

16467. Any substance above its critical temperature exists as

16468. Which of the following decreases with increase in pressure ?

16469. Isentropic process means a constant __________ process.

16470. is the mathematical expression

16471. In case of steady flow compression polytropic process (PVn = constant), the work done on air is the lowest, when

16472. A liquid under pressure greater than its vapour pressure for the temperature involved is called a __________ liquid.

16473. For a real gas, the chemical potential is given by

16474. At absolute zero temperature, all substances have the same

16475. Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in

16476. Which is not a New Generation Bank?

16477. Grams of butane (C4H10) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be

16478. The thermodynamic law, PVy = constant, is not applicable in case of

16479. What is the value of maximum COP in case of absorption refrigeration, if refrigeration provided is at temperature, TR(where, T1 and T2 are source & surrounding temperatures respectively.)?

16480. Mollier diagram is a plot of

16481. is the mathematical expression for

16482. The activity of an ideal gas is numerically __________ its pressure.

16483. Reserve Bank of India was set up in?

16484. Specific heat of a gas for a reversible adiabatic process is

16485. When a gas in a vessel expands, its internal energy decreases. The process involved is

16486. A system is said to be isopiestic, if there is no __________ change.

16487. In a turbine, the fluid expands almost

16488. The unity of Planck's constant 'h' in the equation, E = hv is

16489. Specific/molar Gibbs free energy for a pure substance does not change during

16490. Refrigeration capacity of a household refrigerator may be round about __________ tons.

16491. These banks were established for the weaker section of societies.

16492. An ideal gas is taken around the cycle ABCA as shown in P-V diagram below : The work done by the gas during the cycle is equal to

16493. Chemical potential is a/an

16494. In polytropic process (PVn = constant), if n = 1; it means a/an __________ process.

16495. The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise.

16496. Co-efficient of Performance (COP) of a refrigerator is the ratio of the

16497. The main source of energy in the biosphere is?

16498. 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

16499. dW and dq are not the exact differential, because q and W are

16500. Trouton's ratio of __________ liquids is calculated using Kistyakowsky equation.

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