The Interrupting Time of a Circuit Breaker Is the Period

question 15

Multiple Choice

The interrupting time of a circuit breaker is the period between the instant of _________.

• A)Initiation of short circuit and the arc extinction on an opening operation.
• B)Energizing the trip circuit and the arc extension on an opening operation.
• C)Initiation of short circuit and the parting of primary arc contacts.
• D)Energizing of the trip circuit and the parting of primary arc contacts.

Grasp the concept of discharge by performance and how contracts can be terminated or fulfilled through various means.

Comprehend the doctrine of frustration of purpose and commercial impracticability as it applies to contract law.

Differentiate between subjective and objective satisfaction standards in contracts and how they affect contractual obligations.

Recognize the various methods for the discharge of contracts through mutual agreement.

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