To Determine the Synchronous Speed of a Motor, Multiple 120

question 5

Multiple Choice

To determine the synchronous speed of a motor, multiple 120 by the frequency of the supply current in hertz and divide their product by the ____.

• A) output voltage in volts
• B) number of poles on the stator
• C) resistance of the rotor windings in ohms
• D) inductive reactance of the rotor in henries

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Definitions:

Franklin Pierce

The 14th President of the United States (1853-1857), known for his pro-Southern views and policies that exacerbated sectional tensions leading up to the Civil War.

Whig Party

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Free-Soil Party

A pre-Civil War political party in the United States that was opposed to the expansion of slavery into the western territories.

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