Questions (20 pts) Multiple Choice 1.) As the mechanical load on a series connec

Question

Questions (20 pts) Multiple Choice 1.) As the mechanical load on a series connected de motor increases a) the speed increases b.) the speed decreases c.) the speed remains constant 2) The construction of a compound motor includes a) shunt and series field coils b.) shunt field coils only c.) shunt field and compensating windings Match the dc motor control terms to their definition disconnecting the motor armature from the de supply and connecting it to a resistor to brake the mechanical load 3.) plugging - a) 4 dynamic braking reversing the voltage polarity on the armature circuit to rapidly reduce the speed of a mechanical load b.) 5) regenerative braking ade motor turned into a generator by an overhauling load. The generator action slows the mechanical load c) 6) A material that has valence electrons bonded into its atomic structure that become free when external energy is applied is called a.) an insulator b.) a conductor c.) a semiconductor tesO14 Fall 2014

Explanation / Answer

The answers are

1. b

2. a

3. b

4. a

5. c

6. c

7. a

While the sun does emit ultraviolet radiation, the majority of solar energy comes in the form of "light" and "heat," in the visible and infrared regions of the electromagnetic spectrum.

8. a

9. c

10. True

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