At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be

Related MCQs

• According to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, l = Length of pipe, v = Velocity of liquid in pipe, and d = Diameter of pipe)
• The hydraulic gradient line lies over the centre line of the pipe by an amount equal to the
• The hydraulic gradient line is always parallel to the centre line of the pipe.
• The hydraulic gradient line may be above or below the centre line of the pipe.
• To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than
• When a liquid is flowing through a pipe, the velocity of the liquid is
• The loss of head at exit of a pipe is (where v = Velocity of liquid in the pipe)
• The center of pressure of a surface subjected to fluid pressure is the point
• The total energy line lies over the hydraulic gradient line by an amount equal to the
• If an incompressible liquid is continuously flowing through a pipe, the quantity of liquid passing per second is different at different sections.