Expression for breaking capacity of CB

Q.  Assertion (A): In comparison to making capacity of a circuit breaker its breaking capacity is normally higher.
Reason (R): The breaking capacity of a CB is expressed as √3 * VI * 10-6 MVA
- Published on 18 Nov 15

a. Both A and R are true and R is the correct explanation of A
b. Both A and R are true and R is not the explanation of A
c. A is true but R is false
d. A is false but R is true.

ANSWER: A is false but R is true.

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    Discussion

  • Srikanth   -Posted on 05 Feb 18
    Breaking capacity=it's the MVA(rms)thataCB is capable of breking under specified condition s

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