51. Which of the following process can be made reversible with the help of a regenerator?
52. The value of 1 mm of Hg is equal to
53. The efficiency of Joule cycle is
54. A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is
55. Zeroth law of thermodynamics
56. First law of thermodynamics
57. According to first law of thermodynamics
58. According to Clausius statement of second law of thermodynamics
59. The statement that molecular weights of all gases occupy the same volume is known as
60. In a no flow reversible process for which p = (-3V + 15) × 105 N/m2, V changes from 1 m3 to 2 m3. The work done will be about
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