Class 4 (4th Engineer) MEKG 📅 Jan 2025

Exam Question

(a) Using a line diagram, show the arrangement of 'emergency bilge suction' for a general cargo ship. (8)

(b) State the purpose of 'bilge injection valve' and to which pump or pumps it is connected. Give reasons. (4)

(c) State requirements with respect to the dimensions of the bilge injection valve and the main sea suction valve on the sea chest. (4)

Reference Answer

### (a) Arrangement of Emergency Bilge Suction
A line diagram would illustrate the following arrangement for an emergency bilge suction system in a general cargo ship, as mandated by SOLAS regulations. This system provides a high-capacity means to dewater the machinery space during a flooding emergency.
**Key Components and Layout:**
1. **Suction Point:** The system takes suction from the lowest practical point within the main machinery space, typically via a dedicated connection to an engine room bilge well.

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