Class 4 (4th Engineer) MEP 📅 Dec 2024

Exam Question

(a) Describe how leak in leaky tube in Heat exchanger is detected? How to rectify leaky tube? (8)

(b) What are the common methods to enhance heat transfer of heat exchanger (4)

Reference Answer

### (a) Leak Detection and Rectification in a Heat Exchanger (8 Marks)
**1. Procedure for Leak Detection**
A systematic procedure is followed to safely and accurately identify a leaking tube in a shell-and-tube heat exchanger. The principle is to pressurize one side (typically the cleaner fluid, shell side) and observe for leaks on the other side (tube side) after opening it for inspection.
**i. Preparation and Safety:**

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