Circuit Breakers Are Being Discussed

question 68

Multiple Choice

Circuit breakers are being discussed. Technician A says after the circuit breaker is tripped, it must be reset by pressing a button on the breaker. Technician B says some circuit breakers automatically reset after the power has been turned off for a few seconds. Who is correct?

• A)A only
• B)B only
• C)both A and B
• D)neither A nor B

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Definitions:

Bell-Shaped

A description of a graph or distribution that is symmetrical and rounded at the top, resembling the shape of a bell, typically indicative of a normal distribution.

Standard Deviation

An examination of the level of disparity or distribution range among values.

Skewed

A description of a distribution that is not symmetrical around its mean, indicating that the data points tend to extend more to one side than the other.

Normally Distributed

Refers to a probability distribution that is symmetrically shaped around the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.