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Methods for Reducing Pulsation in Reciprocating Pumps

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Methods for Reducing Pulsation in Reciprocating Pumps

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Questions and Answers

What is the relationship between the number of cylinders in a multiplex pump and its capacity?

The capacity is multiplied by the number of cylinders (correct)

The capacity remains the same regardless of the number of cylinders

The capacity is divided by the number of cylinders

The capacity decreases as the number of cylinders increases

Why does the velocity of the liquid inside the cylinder of a reciprocating pump vary with the crank angle?

Due to changes in cylinder size

Due to changes in velocity of the piston head (correct)

Due to changes in temperature

Due to changes in pressure

What term is used to describe the non-uniform motion of liquid in the suction and discharge pipes of a reciprocating pump?

Pulsation (correct)

Stagnation

Cavitation

Erosion

How does pulsation affect the Net Positive Suction Head Available (NPSHA) for a reciprocating pump?

It reduces NPSHA (C) Signup and view all the answers

What is a common consequence of cavitation in reciprocating pumps?

Damage to pump components (D) Signup and view all the answers

How does pulsation impact the mechanical stability of a pumping system?

It causes mechanical instability (A) Signup and view all the answers

What measures are typically required to deal with the non-uniform motion in a reciprocating pump system?

Taking special steps (B) Signup and view all the answers

How does pulsation relate to delivery uniformity in reciprocating pumps?

It causes delivery uniformity issues (C) Signup and view all the answers

In what way does cavitation affect a reciprocating pump's efficiency?

Decreases efficiency (A) Signup and view all the answers

Why is it necessary for a multiplex pump to have multiple cylinders?

To increase overall pump capacity (D) Signup and view all the answers