Tag: #hazardouszone
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EK Electrical Oct 2022 (Q11)
(a) Explain with the aid of a sketch, the principle of operation of an earth leakage detection system of the instrument type (6) (b) Explain why an insulated neutral system is used extensively on board ship (2) (c) State, with reason, why a single earth fault on a insulated neutral system should be always be…
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EK Electrical Oct 2020 (Q11)
(a) Explain, with the aid of a sketch, the principle of operation of an earth leakage detection system of the instrument type. (6) (b) Explain why an insulated neutral system is used extensively on board ships. (2) (c) State, with reasons, why a single earth fault on an insulated neutral system should always be cleared…
