ETO ETO Exam papers 📅 Mar 2024

Exam Question

In engine rooms that are operated under UMS conditions describe with the aid of sketches how the following are monitored:

(a) The perforation of a high-pressure fuel pipe.

(b) Periodical maintenance, checks and tests require to be done to verify the effectiveness of the above system.

Reference Answer

### (a) Monitoring of High-Pressure Fuel Pipe Perforation in UMS
#### 1. Regulatory Framework and Core Principle
The monitoring of high-pressure (HP) fuel pipes in a UMS engine room is mandated by SOLAS Chapter II-2, Regulation 4. The primary objective is to prevent fuel spray from a ruptured pipe from impinging on hot surfaces (e.g., exhaust manifolds, turbochargers), which could lead to a catastrophic fire. The core principle is containment and detection.
This is achieved using a **jacketed or double-walled piping system**.

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