According to the heads of centrifugal pump: gross head, effective head or dynamic head are the another name of ______

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JKSSB JE Civil Jal Shakti 6 Dec 2022 Official Paper (Shift 2)
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  1. Static head
  2. Total head
  3. Manometric head
  4. Suction head

Answer (Detailed Solution Below)

Option 2 : Total head
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Explanation:

Centrifugal pumps are used to transport fluids by converting rotational kinetic energy into hydrodynamic energy. The total head, also referred to as gross head, effective head, or dynamic head, represents the total energy available to the pump to impart to the fluid. It is the sum of various components of energy within the system, including potential energy, kinetic energy, and pressure energy.

Different types of the head in centrifugal pumps:

Suction Head:

  • A suction head is a measure of the pressure experienced by a fluid on the suction side of a centrifugal pump.
  • It is used to avoid running a pump under conditions that favor cavitation.
  • The suction head refers to the difference in level between the water in the sump to the centerline of the pump.

Delivery head:

  •  The total delivery head is defined as the work that needs to be performed by the pump to pump the medium with reference to a defined unit of weight.
  • The delivery head is the difference in level from the water level in the tank to the centerline of the pump.

Manometric Head:

  • The manometric head is the net amount of energy given by the pump to the water.
  • The manometric head is the head against which a centrifugal pump has to work.

Static head:

  • The addition of the suction head and the delivery head is known as a static head.

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