No Secondary Overcurrent Protection Is Required for Certain Transformers 1000

question 22

Multiple Choice

No secondary overcurrent protection is required for certain transformers 1000 volts, nominal, or less with currents of at least 9 amperes and a maximum primary overcurrent protection of ____.

• A) 75%
• B) 100%
• C) 125%
• D) 150%

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Definitions:

One-group Pretest-posttest Design

An experimental design where a single group is tested before and after an intervention, without the use of a control group.

Internal Validity

pertains to the extent to which a study or experiment accurately establishes a causal relationship between variables, minimizing the influence of external factors.

Systematic Changes

Alterations that follow a consistent, predictable pattern and are often due to specific causes or interventions.

Time

The indefinite continued progress of existence and events in the past, present, and future regarded as a whole.