If the frequency supplied by the AC drive is lowered and the voltage is held constant, the excitation current __________.

A. increases
B. decreases
C. stays the same


Answer: A

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The rotating pulsed magnetic fields surrounding the stator turn faster than the rotor. The difference between the two speeds is called  ____________________.

Fill in the blank(s) with the appropriate word(s).

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Describe how time affects soil change

What will be an ideal response?

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Turf preparation and maintenance require good soil preparation, including tilling and any needed

amendments, raking or harrowing, irrigation during establishment, use of high-nitrogen fertilizer, and aeration.

Indicate whether the statement is true or false.

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A water pump is a positive displacement-type pump

Indicate whether the statement is true or false

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