Fluid Machines - Interview Questions and Answers

51. The discharge over a broad crested weir is maximum when the depth of flow is

52. Coefficient of contraction for an external cylindrical mouthpiece is

53. The ratio of average velocity to maximum velocity for steady laminar flow in circular pipes is

54. The distance from pipe boundary, at which the turbulent shear stress is one-third die wall shear stress, is

55. For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be