Tag: #deterioration
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EK Electrical Oct 2021 (Q11)
With reference to insulation testing of electric equipments: (a) State the reasons for insulation testing and why it is carried out on regular basis (2) (b) Describe the procedure for taking a set of insulation readings on an electric motor in situ, stating the minimum acceptable readings (6) (c) Explain the term Polarisation Index. (2)…
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EK Electrical Jul 2017 (Q11)
With reference to a THREE phase electrical distribution system (a) Explain the advantages and disadvantages of an insulated neutral system (8) (b) State how an earthed neutral system is earthed and the measures taken to limit the maximum earth fault current (2) Generator & circuit protection Jul 2017 (Q11)
UKM Tuticorin 