第 二 題

Pumps used in marine engineering can be broadly classified into two fundamental categories. The specific pumps characterized under the kinetic and positive-displacement types are itemized as follows:

1. Kinetic Type Pumps: These pumps add kinetic energy to the fluid via a rotating impeller and convert it into pressure. They include:

【Introduction】 The fundamental purpose of a main propulsion system is to convert the energy from fuel into mechanical power to drive the ship. 【Core Objectives】