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Class 2 (2nd Engineer) MEP 📅 Oct 2019

Exam Question

With reference to reciprocating air compressors explain the cause of the following faults.

(a) Collapse of discharge valve springs

(b) Breakage of plate valves

(c) Overheating of the discharge air with an unrestricted air intake

(d) Inoperative piston rings

Reference Answer

(a) Collapse of Discharge Valve Springs
Overheating or Insufficient Cooling due to Cooling water supply failure.
Fouling or choking of the intercooler.
Choked suction filters restricting airflow.

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