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Hydraulics

Q1: Total head of a liquid particle in motion is the sum of

A potential head and kinetic head

B kinetic head and pressure head

C potential head and pressure head

D potential head, kinetic head and pressure head.

ANS:D - potential head, kinetic head and pressure head.

The total head of a liquid particle in motion is the sum of the potential head, kinetic head, and pressure head.

  1. Potential head: This refers to the energy per unit weight of the liquid particle due to its elevation above a reference plane. It represents the gravitational potential energy of the particle.
  2. Kinetic head: This represents the energy per unit weight of the liquid particle due to its velocity. It is also known as velocity head and represents the kinetic energy of the particle.
  3. Pressure head: This represents the energy per unit weight of the liquid particle due to the pressure exerted on it by the surrounding fluid. It is also known as pressure energy.
The total head equation is often used in fluid mechanics to express the total energy of a fluid particle as it moves through a fluid system. Therefore, the correct statement is: Potential head, kinetic head, and pressure head.



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