What is the value of Fanning friction factor f ‘ for smooth pipe at NRe = 106 approximately ?

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The location of centre of pressure, which defines the point of application of the total pressure force on the surface, can be calculated by applying the principle of moments according to which “sum of the moment of the resultant force about an axis is equal to the sum of the components about the same axis”. The centre of pressure of a rectangular surface (of width ‘w’) immersed vertically in a static mass of fluid is at a depth of (where, y = depth of the liquid) ?

A. 1/(y/3) B. 2y/3 C. 1/(y/4) D. 3y/4...

For turbulent flow of an incompressible fluid through a pipe, the flow rate „Q‟ is proportional to (Δ P)n, where ΔP is the pressure drop. The value of exponent ‘n’ is_________________?

A. 1 B. 0 C. < 1 D. > 1...

With increase in molecular weight of the gas, the head developed by a centrifugal compressor will________________?

A. Decrease B. Increase C. Remain same D. Unpredictable...

Pick out the correct statement pertaining to Venturimeter ?

A. A Venturimeter with a fixed pressure drop discharges more, when the flow is vertically downward, than when the flow is vertically upward B. The co-efficient of contraction of a Venturimeter is always unity C. For a fixed pressure drop, the discharge of a gas through a Venturimeter is greater, when compressibility is taken into … Pick out the correct statement pertaining to Venturimeter ?Read More...

Potential function is applicable only for __________ flow?

A. Irrotational B. Turbulent C. Steady D. None of these...