Q1. a) What is intrinsic electric safety? Discuss the specific maintenance protocols, inspections, and safety measures required to ensure the reliability and safety of such equipment on board ship. (8)
b) Describe intrinsically safe equipment used on board ship. (8)
Q2. a) Explain why it is necessary to have reverse power protection for alternators intended for operation. (6)
b) (i) Sketch a reverse power trip. (5)
(ii) Briefly explain the principle on which the operation of this power trip is based and how tripping is activated. (5)
Q3. With reference to U.M.S. operations: a) State with reasons the essential requirements for unattended machinery spaces. (8) b) As ETO, describe how you would respond to the irretrievable failure of the Machinery space fire alarm system whilst the ship is on voyage. (8)
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