1. Four-speed, consequent pole, squirrel cage motors have two reconnectable windings and two speeds for each
winding.
a. True
b. False
2. Multispeed starters are provided with mechanical and electrical interlocking.
a. True
b. False
3. Compelling relays ensure that the motor starts at the lowest speed.
a. True
b. False
4. With an accelerating relay, the motor can be started only by pressing the low-speed push button.
a. True
b. False
5. With a compelling relay, the motor is started at low speed and is then accelerated automatically through successive
speed steps until the selected speed is reached.
a. True
b. False
Name: Class: Date:
Unit 33 Four-Speed,Two-Winding (Consequent Pole) Motor Controller
6. In a standard starter, before change is made from a higher to a lower speed, ____.
a. the overload relay must be reset b. the contacts must be reclosed
c. the stop button must be pressed d. the motor must be reversed
7. Mechanical and electrical interlocking avoid the possibility of ____.
a. connecting more than one speed winding at the same time
b. overusing the line
c. connecting more than two speed windings at the same time
d. disconnecting the line
8. When a compelling relay is used, ____.
a. the final speed is determined by the button pressed
b. the motor must be started at low speed before a higher speed can be selected
c. the motor is started at low speed and is then accelerated automatically
d. definite time intervals must elapse between each speed change
9. When the starter is equipped with an accelerating relay, ____.
a. the motor can be started only by pressing the low-speed push button
b. the motor must be started at low speed before a higher speed can be selected
c. the motor is started at low speed and is then accelerated manually
d. the final speed is determined by the button pressed
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Name: Class: Date:
Unit 33 Four-Speed,Two-Winding (Consequent Pole) Motor Controller
10. A decelerating relay is similar in action to a(n) ____ relay.
a. compelling b. reversal
c. time d. accelerating
Name: Class: Date:
Unit 33 Four-Speed,Two-Winding (Consequent Pole) Motor Controller