Q.

Purpose of backup protection is

  • ATo increase the speed 
  • BTo increase a reach
  • CTo leave no blind spot
  • DTo guard against failure of primary 
Correct Answer : (D)

To guard against failure of primary 

Hints :

Purpose of backup protection is to guard against failure of primary.

Previous

Which of the following circuit breakers has high reliability and negligible maintenance?

Next

Which of the following circuit breakers take minimum time in installation?

Join The Discussion