Commercial cast-iron and steel pipes carrying fluids under pressure are regarded as hydraulically smooth when

Related MCQs

• The turbulent flow is hydraulically smooth if the ratio height of roughness projection/the thickness of laminar sub-layer is less than
• Fluids which do not follow the linear relationship between shear stress and rate of deformation are termed as.... fluids.
• The value of mannings roughness coefficient n, in Manning's formula for flow of fluids through pipes, is expected to be highest in case of
• For turbulent flow in smooth pipes, the entrance length is taken as
• The friction factor in turbulent flow in smooth pipes depends upon the following
• At point A in a pipe line carrying water the diameter is 1 m, the pressure 98 kPa and the velocity 1 m/s. At point B, 2 m higher than A, the diameter is 0.5 m and the pressure 20 kPa. The direction of flow would be
• A piezometer is not used for pressure measurement in pipes when
• The loss of pressure head for the laminar flow through pipes varies
• Elasticity of fluids is measured in terms of
• The shear stress velocity gradient relation of the Newtonian fluids is