Class 2 (2nd Engineer) MEP 📅 Jun 2018

Exam Question

(a) With reference to the insulation testing of marine electrical plant

(i) State the reasons for insulation testing

(ii) State the precautions to be observed when testing intrinsically safe equipment.

(b) Describe the overhaul of a D.C. motor which has been subjected to excessively damp condition or flooding with seawater

Reference Answer

(a) (i) Reasons for Insulation Testing:
To ensure that the insulation is providing adequate resistance to prevent current leakage.
To identify areas of deterioration or damage in the insulation.
Deteriorated insulation can result in electrical shocks, fires, short circuits, and equipment damage.

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