41. True one-dimensional flow occurs when
42. Non uniform flow occurs when
43. In a Sutro weir, the discharge is proportional to (where H is head)
44. If 850 kg liquid occupies volume of one cubic meter, men 0.85 represents its
45. Free surface of a liquid tends to contract to the smallest possible area due to force of
46. A perfect gas
47. For a floating body to be in stable equilibrium, its metacentre should be
48. The resultant of all normal pressures acts
49. Pressure of the order of 10''' torr can be measured by
50. Flow of water in a pipe about 3 meters in diameter can be measured by
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