Tag: #insulationdeterioration
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EK Electrical Mar 2021 (Q10)
With reference to large electrical transformers on board ships (a) State where these transformers may be used (1) (b) State a typical efficiency range for a transformer (1) (c) State the regulations pertaining to transformers (3) (d) State the protective devices that are fitted (2) (e) Describe the maintenance requirements (3) Mar 2021 (Q10)
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EK Electrical Jul 2018 (Q11)
(a) Explain the principle of operation of an insulation resistance test, stating why the test is carried out on a regular basis (6) (b) Describe how EACH of the following electrical tests is carried out (i) Resistance (2) (ii) Continuity. (2) Electric motors Jul 2018 (Q11)
UKM Tuticorin 