1. Explain how you would estimate and buy electrical material to be used at new wiring installation of a certain building
2. a) Describe two types of AC machine based on construction
b) Mention five types of AC single phase motor.
3. Briefly explain the main part of an AC machine
4. A single phase four pole generator delivery supply voltage of 240V, 50Hz while its tongue is 80Nm. Calculate its power losses, the slip is 4%.
5. Mention four types of starter used to control 3ϕ AC motor
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