Class 4 (4th Engineer) MEKG 📅 Jun 2025

Exam Question

(a) Explain the function of an 'eductor' with the aid of a sketch. Where do you find an eductor system on a ship? Give two examples. (8)

(b) Explain the working principle of an eductor. What are the operational challenges that may affect the performance of the eductor? (8)

Reference Answer

### Part (a): Function, Sketch, and Examples of an Eductor
**(i) Function of an Eductor**
An eductor, also known as a jet pump or ejector, is a type of pump with no moving parts. Its primary function is to use a high-velocity jet of one fluid (the 'motive' or 'driving' fluid) to entrain, mix with, and pump a second fluid (the 'suction' fluid).
Key functional aspects are:

Full answer on MeoMock — surveyor-grade reference answers for 7,000+ written exam questions.

View plans Browse library

← Browse more questions

Prepare on Android — MeoMock on Google Play