Objective Knowledge, in Any Field of Study, Is Developed Through

question 32

Multiple Choice

Objective knowledge, in any field of study, is developed through:

• A)experience
• B)past practices and training
• C)a review of the relevant literature
• D)basic and applied research

Differentiate between digital and analog input types and their applications in VFDs.

Recognize the process of motor direction reversal using a VFD and the role of control circuits.

Identify the role and function of microprocessor-based motor controllers as alternatives to magnetic motor starters.

Understand the purpose of analog inputs in VFDs and their commonality across most models.

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Definitions:

Qualitative Data

Data that describes qualities or characteristics, often categorized by labels or names and not by numbers.

Standard Deviation

A statistic that measures the dispersion or variability of a set of data points from their mean.

Proportion

A portion, fraction, or quantity evaluated in relation to its entire magnitude.

Samples

Small, manageable subsets of a population used in statistical analysis to estimate characteristics of the entire population.