Civil Engineering :: Hydraulics and Fluid Mechanics - Civil Engineering
- If the dynamic viscosity of a fluid is 0.5 poise and specific gravity is 0.5, then the kinematic viscosity of that fluid in stokes is
- An ideal flow of any fluid must satisfy
- The bulk modulus of elasticity
- Gradually varied flow is
- An open tank contains 1 m deep water with 50 cm depth of oil of specific gravity 0.8 above it. The intensity of pressure at the bottom of tank will be
- Which of the following statements is correct?
- Centre of pressure compared to e.g. is
- In order that flow takes place between two points in a pipeline, the differential pressure between these points must be more than
- The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to
- If the elevation of hydraulic grade line at the junction of three pipes is above the elevation of reservoirs B and C and below reservoir A, then the direction of flow will be
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A.
Lower critical Reynolds number is of no practical significance in pipe flow problems. |
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B.
Upper critical Reynolds number is significant in pipe flow problems. |
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C.
Lower critical Reynolds number has the value 2000 in pipe flow |
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D.
Upper critical Reynolds number is the number at which turbulent flow changes to laminar flow. |