41. The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is
42. The principal constituents of a fuel are
43. The compression ratio is the ratio of
44. The gas constant (R) is equal to the __________ of two specific heats.
45. When the expansion or compression takes place according to the law pvn = C, the process is known as
46. If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as
47. In an irreversible process, there is a
48. Second law of thermodynamics defines
49. Which of the following variables controls the physical properties of a perfect gas?
50. Which of the following laws is applicable for the behaviour of a perfect gas?
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