REVIEW QUESTIONS

REVIEW QUESTIONS

REVIEW QUESTIONS

review questions 1

review questions 1

REVIEW QUESTIONS 1. How will you match the fuse characteristic with the starting current characteristic of a motor ? Explain with the help of a diagram . 2. Explain how the contactor rating , fuse and overload relay characteristic are matched for motor protection . 3. What are the different possible causes of over heating of a motor ? 4. Show how an ordinary overload relay of 2-5 A range can be used for protection of a 150 hp motor .

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