Class 4 (4th Engineer) SSEP 📅 Dec 2025

Exam Question

(a) The Centrifugal ballast pump in the engine room also doubles as a fire pump in your ship. What specific precautions would you take to change over the ballast pump from ballast / deballast mode to a fire pump mode. (10)

(b) How is the emergency bilge suction tested? (10)

Reference Answer

### (a) Precautions for Changeover of Ballast Pump to Fire Pump Mode (10 Marks)
The changeover of a dual-purpose centrifugal ballast/fire pump requires a strict, systematic procedure to ensure operational readiness, prevent cross-contamination, and maintain vessel safety. The following precautions and steps must be taken:
1. **Permission and Communication:**
* Inform the Bridge Officer of the Watch (OOW) of the intention to change over the pump's function. This is critical as it affects both ballast operations and fire-fighting readiness.

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