The miaimum thickness of boundary layer in a pipe of radius R is

Related MCQs

• The distance from pipe boundary, at which the point velocity is equal to average velocity in case of turbulent flow (when R is the radius of the pipe), is
• The Boundary layer on a flat plate is calld laminar boundary layer if
• Boundary layer thickness (?) is the distance from the surface of the solid body in the direction perpendicular to flow, where the velocity of fluid is equal to
• The thickness of laminar boundary layer at a distance x from the leading edge over a flat plate varies as
• The thickness of turbulent boundary layer at a distance x from the leading edge over a flat plate varies as
• Water flows through a 2 cm dia. Pipe at 20 m/s. It then flows radially outward between two discs, 2 mm apart. When it reaches a radius of 40 cm its velocity, in m/s will be
• 2𝑔 148. The power transmitted through the pipe is maximum when head lost due to friction in the pipe is equal to
• A U-tube manometer, attached to an air pipe, measures 20 cm of mercury. The pressure, in kPa, in the air pipe is
• The velocity in a 2 cm-diameter pipe is 20 m/s. If the pipe enlarges to 5 cm diameter velocity, in m/s, will be
• The boundary layer separation takes place if