What is a Pump? Different types of Pumps onboard Ship

  A Pump is a mechanical device used to transfer liquids from one point to another by imparting energy supplied by a prime mover to the liquid. The prime mover can be an electric motor, an I.C. engine, or a steam engine or turbine. 
How Does a Pump Work?

A Pump works by imparting energy supplied by the prime mover, to the liquid, in two ways,

1. By imparting kinetic energy to the liquid by an impeller as in Centrifugal Pumps

2. By physically pushing (displacing) the liquid as in Displacement Pumps

Types of Pumps see the Flow Chart for easy understanding

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