Class 4 (4th Engineer) MEKG 📅 Aug 2023

Exam Question

(a) With reference to auxiliary boiler safety valves: (10)

(i) Describe, with the aid of a sketch, the safety valve for an auxiliary boiler

(ii) Identify, with reasons, the parts that particularly require close attention during overhaul

(b) Describe the duties of a watchkeeper with respect to a running boiler (6)

Reference Answer

### (a) Auxiliary Boiler Safety Valves
#### (i) Description of an Improved High Lift Safety Valve
An auxiliary boiler safety valve is a critical safety device designed to automatically discharge steam if the boiler pressure exceeds the safe predetermined working pressure. The most common type found on marine auxiliary boilers is the spring-loaded, 'Improved High Lift' type.
**Construction:**

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