What is the purpose of back up protection?

Q.  What is the purpose of back up protection?
- Published on 18 Nov 15

a. To increase the speed
b. To increase the reach
c. To leave no blind spot
d. To guard against failure of primary

ANSWER: To guard against failure of primary

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    Discussion

  • Moinkhan   -Posted on 15 Nov 21
    The main function of a fuseis to

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