Class 2 (2nd Engineer) MEKG 📅 Jun 2023

Exam Question

(a) Sketch a line diagram showing the layout components of hydraulic system with a variable delivery, pressure compensated pump and accumulator, suitable for the opereation of deck machinery (8)

(b) Describe the operation of the system sketched in part (a) (8)

Reference Answer

### (a) Layout Components of the Hydraulic System
The line diagram shows a constant pressure hydraulic system suitable for operating multiple high-demand consumers like deck machinery. The key components that must be included in the sketch are:
1. **Hydraulic Reservoir (Sump/Tank):** Stores the hydraulic fluid. It is equipped with a level gauge, breather, and a drain connection.
2. **Suction Strainer:** Located inside the reservoir on the pump suction line to prevent large contaminants from entering the pump.

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