Class 4 (4th Engineer) MEKG 📅 Sep 2022

Exam Question

Explain why regular testing of water in auxiliary boilers is desirable. For each test normally carried out, state-

(a) Reasons for making the test, (6)

(b) Acceptable values for any particular type of auxiliary boiler, (5)

Reference Answer

Regular testing of water in auxiliary boilers is a critical preventative maintenance task essential for the safe, efficient, and reliable operation of the boiler and associated steam systems. The primary objectives are to prevent corrosion, scale formation, and carryover, thereby ensuring the longevity of the equipment and the purity of the steam produced.
### **1. pH Test**
**(a) Reasons for making the test:**
The pH test measures the acidity or alkalinity of the boiler water. Maintaining the correct pH is the single most important factor in preventing corrosion.

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