The water hammer in pipes occurs due to sudden change in the velocity of flowing liquid.

Related MCQs

• The hammer blow in pipes occurs when
• When a liquid is flowing through a pipe, the velocity of the liquid is
• The velocity of liquid flowing through an orifice varies with the available head of the liquid.
• A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall per unit length is (where w = Specific weight of liquid, and H = Height of liquid)
• The velocity of the liquid flowing through the divergent portion of a Venturimeter
• If an incompressible liquid is continuously flowing through a pipe, the quantity of liquid passing per second is different at different sections.
• The pressure intensity in kN/m2 (or kPa) at any point in a liquid is (where w = Specific weight of liquid, and h = Depth of liquid from the surface)
• The property of a liquid which offers resistance to the movement of one layer of liquid over another adjacent layer of liquid, is called
• The pressure of fluid due to hammer blow is
• 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)