Briefly describe how speed is regulated in universal motors.

What will be an ideal response?


Universal motors are speed-regulated by inserting resistance in series with the motor. The resistance may be tapped resistors, rheostats, or tapped nichrome wire coils wound over a single field pole.

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What type of output does an induction pulse generator used to read shaft or rotor speed produce?  

A. AC B. DC C. PWM D. constant frequency

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An ____________________ SAE activity allows you to explore the operation of your own business

Fill in the blank(s) with correct word

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If the pitcher’s mound and home plate are apart, how much time (in seconds) does the batter have to react to a fastball?

a. 0.45 seconds b. 1 second c. 1.5 seconds d. 2 seconds

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After someone has inhaled a large quantity of refrigerant:

A) Hit them hard on the back several times to drive out the refrigerant. B) Administer the Heimlich maneuver to dislodge the refrigerant. C) Lay them down in the room and keep them comfortable. D) Take them outside to fresh air.

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