Name: 
 

Chapter 17



Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

1. 

Because the start winding is wound with smaller wire and placed near the top of the stator, it will have ____ the run winding.
a.
higher resistance than
b.
lower resistance than
c.
the same resistance as
 

2. 

In motors, the speed of the magnetic rotating field is called the ____ speed.
a.
rotating
c.
split-phase
b.
power
d.
synchronous
 

3. 

A centrifugal switch disconnects the start winding from the motor circuit when the motor reaches ____% of its rated speed.
a.
25
c.
75
b.
50
d.
90
 

4. 

A motor that has 4 stator poles will have a rated speed of approximately ____ RPM.
a.
3600
c.
1200
b.
1800
d.
900
 

5. 

The ____ functions as both a starting relay and an overload relay.
a.
current relay
b.
hot-wire relay
c.
solid state starting relay
 

6. 

A ____ operates on the principle of a magnetic field instead of expanding metal.
a.
current relay
b.
hot-wire relay
c.
solid state relay
 

7. 

The capacitor-start capacitor-run motor is designed so that the ____ while the motor is energized.
a.
start winding is disconnected and the run winding remains connected
b.
run winding is disconnected and the start winding remains connected
c.
both the run winding and the start winding remain connected
 

8. 

Because it is intended for continuous use, the capacitor of a capacitor-start capacitor-run motor is generally a(n) ____ type.
a.
electrolytic
c.
distribution
b.
oil-filled
d.
reactive
 

9. 

Since both the start winding and the run winding of a capacitor-start capacitor-run motor remain energized at all times, the motor operates as a ____-phase motor.
a.
one
b.
two
c.
three
 

10. 

To reverse the direction of a shaded-pole motor, you need to ____.
a.
reverse the leads of the start or the run winding
b.
reverse the leads of both the start and run windings
c.
remove the stator winding and turn it around
 



 
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