Exam Question
(a) What is Accumulation of pressure test for Boiler and what is its purpose? (6)
(b) Describe the detalled procedure for an Accumulation of pressure test. (10)
Class 4 (4th Engineer)
MEP
📅 Mar 2024
Reference Answer
### (a) Accumulation of Pressure Test: Definition and Purpose
#### **Definition**
The Accumulation of Pressure Test is a mandatory statutory test, witnessed by a Classification Society Surveyor, designed to verify the relieving capacity of a boiler's safety valve(s). It is a performance test that confirms the safety valves can discharge steam at a rate equal to or greater than the boiler's maximum steam generating capacity, thereby preventing the boiler pressure from rising to a dangerous level under worst-case operational conditions.
As per Classification Society requirements, the test is conducted under full firing conditions with all steam stop valves closed. The test duration is critically defined by the boiler type:
#### **Definition**
The Accumulation of Pressure Test is a mandatory statutory test, witnessed by a Classification Society Surveyor, designed to verify the relieving capacity of a boiler's safety valve(s). It is a performance test that confirms the safety valves can discharge steam at a rate equal to or greater than the boiler's maximum steam generating capacity, thereby preventing the boiler pressure from rising to a dangerous level under worst-case operational conditions.
As per Classification Society requirements, the test is conducted under full firing conditions with all steam stop valves closed. The test duration is critically defined by the boiler type:
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