52. The partial pressure of each constituent present in an alloy is __________ the total vapor pressure exerted by the alloy.
53. Heat is added at constant pressure in an ideal __________ cycle.
54. Entropy change of mixing two liquid substances depends upon the
55. The four properties of a system viz. P, V, T, S are related by __________ equation.
56. If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________ c.c.
57. The principle applied in liquefaction of gases is
58. An example of Flat bone is?
59. The number of degrees of freedom for an azeotropic mixture in a two component vapour-liquid equilibria is/are
60. Any substance above its critical temperature exists as
61. Which of the following decreases with increase in pressure ?
62. Isentropic process means a constant __________ process.
63. is the mathematical expression
64. In case of steady flow compression polytropic process (PVn = constant), the work done on air is the lowest, when
65. A liquid under pressure greater than its vapour pressure for the temperature involved is called a __________ liquid.
66. For a real gas, the chemical potential is given by
67. At absolute zero temperature, all substances have the same
68. Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in
69. Grams of butane (C4H10) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be
70. The thermodynamic law, PVy = constant, is not applicable in case of
71. 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.)?
72. Mollier diagram is a plot of
73. is the mathematical expression for
74. The activity of an ideal gas is numerically __________ its pressure.