A Squirrel-Cage Rotor Induction Motor Has a Synchronous Speed of 3600

question 8

Multiple Choice

A squirrel-cage rotor induction motor has a synchronous speed of 3600 RPM and an actual rotor speed of 3450 RPM. What is the percent slip?

• A) 4.17%
• B) 4.35%
• C) 24%
• D) 23%

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Definitions:

Labour Time

The amount of time that workers spend in the production of goods or services.

Cost Driver

A factor that causes a change in the cost of an activity or process, used to assign costs based on actual consumption of resources.

Learning Curve Percentage

The rate at which productivity improves as a result of increased efficiency and skill gained from repeated tasks.

Outlier

An outlier is a data point that differs significantly from other observations in a dataset, potentially due to variability in the measurement or it may indicate an experimental error.