21. According to Bernoulli’s equation for steady ideal fluid flow
22. When a liquid rotates at a constant angular velocity about a vertical axis as a rigid body, the pressure intensity varies
23. The density of water is 1000 kg/m3 at
24. Which of the following is demensionless
25. A large Roynold number is indication of
26. To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than
27. The peoperty by virtue of which a liquid opposes relative motion between its different layers is called
28. Ay between two stream lines represents
29. The continuity equation pi V,A,= p2V2A2 is based on the following assumption regarding flow of fluid (where pi and p2 are mass densities.)
30. The position of center of pressure on a plane surface immersed vertically in a static mass of fluid is
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