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Ch 6

Authored by Dario Garcia

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Ch 6
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27 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The stator of a wound-rotor motor is different than the stator of a squirrel-cage induction motor.

T

F

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The rotor of a wound-rotor motor is constructed be placing solid conductor bars in the slots instead of the insulated coils of wire used in the squirrel-cage induction motor.

T

F

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Wound-rotor stator windings are not short-circuited, they are wye connected, with the free end of each winding connected to slip ring.

T

F

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A pigtail connects the slip ring to the power supply.

T

F

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Brush material is typically composed of a mixture of carbon and graphite for high-voltage machines and of graphite and metallic powder for low-voltage machines.

T

F

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Resistors used in a wound-rotor motor are often referred to as secondary resistors, because the rotor is the secondary of the motor.

T

F

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The M1 connection is the outside slip ring, the M2 connection is the middle slip ring, and the M3 connection is closed to the motor windings.

T

F

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