Q6. a) Describe the hazards while working on electrical machinery. (4)
b) What is Lock out / Tag out system used for safety operation on electrical machinery. (8)
c) Describe machineries where Lock out / Tag out system will prevent accident. (4)
Q2. Describe an emergency electrical power generating plant for use in the event of a complete failure of the main electrical power and make reference to -
a) Location (4)
b) Starting arrangements (4)
c) Fuel oil and its supply (4)
d) Cooling system (4)
e) Periodic attention required (4)
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