The loss of head at exit of a pipe is

More Questions from Hydraulics and Fluid Mechanics

• Which of the following statement is correct?
• The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to
• A flow through an expanding tube at increasing rate is called unsteady non-uniform flow.
• The loss of head at entrance in a pipe is (where v = Velocity of liquid in the pipe)
• In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice.
• The discharge through a small rectangular orifice is given by (where Cd = Coefficient of discharge for the orifice, a = Cross-sectional area of the orifice, h = Height of the liquid above the centre of the orifice)
• An open tank containing liquid is moving with an acceleration on an inclined plane. The inclination of the free surface of the liquid will be __________ to the acceleration of the tank.
• The force exerted by a moving fluid on an immersed body is directly proportional to the rate of change of momentum due to the presence of the body. This statement is called
• The flow in a pipe is turbulent when Reynold number is
• The specific weight of sea water is __________ that of pure water.

Discussion & Comments