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Class 2 (2nd Engineer) MEP 📅 Aug 2023

Exam Question

With reference to air receivers and bottles explain with reason:

(a) Why regular systematic internal inspection is advisable (4)

(b) Which internal areas of large receivers should receive particularly close examination (4)

(c) How bottles are inspected internally and what parts should be closely examined (4)

(d) How the condition of a bottle or receiver that cannot be inspcted internally is checked (4)

Reference Answer

(a) Internal inspection of air bottle:
The bottles should be inspected every year and the mountings to be overhauled every two years.
The reservoirs should be carefully examined for corrosion and pitting.
Corrosion and pitting usually occur on the bottom of the reservoir, around the valve openings and in the way of any cooler areas.

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