Exam Question
(a) What is Accumulation of pressure test for Boiler and what is its purpose? (6)
(b) Describe the detailed procedure for an Accumulation of pressure test. (10)
Class 4 (4th Engineer)
MEP
📅 Dec 2025
Reference Answer
### (a) Accumulation of Pressure Test and its Purpose
**Definition:**
The Accumulation of Pressure Test is a mandatory performance test for boiler safety valves, stipulated by SOLAS and Classification Societies. It is designed to verify that the total relieving capacity of the drum safety valves is sufficient to discharge all the steam the boiler can generate at its maximum firing rate, without allowing the boiler pressure to rise more than 10% above its approved Maximum Allowable Working Pressure (MAWP).
**Regulatory Requirements and Parameters:**
**Definition:**
The Accumulation of Pressure Test is a mandatory performance test for boiler safety valves, stipulated by SOLAS and Classification Societies. It is designed to verify that the total relieving capacity of the drum safety valves is sufficient to discharge all the steam the boiler can generate at its maximum firing rate, without allowing the boiler pressure to rise more than 10% above its approved Maximum Allowable Working Pressure (MAWP).
**Regulatory Requirements and Parameters:**
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