1. Electromechanical devices are used to provide interlocking methods and sequencing control.
a. True
b. False
2. Solid-state starters are available in ranges up to several hundred horsepower.
a. True
b. False
3. Power-saving modules are available that detect idling or low-power periods of operation.
a. True
b. False
4. Every function in solid-state starting units is illuminated with electronic LEDs.
a. True
b. False
5. The energy-saving option, including a microcomputer, is activated before the motor is up to speed.
a. True
b. False
Name: Class: Date:
Unit 30 AC Solid-State Reduced Voltage Controller
6. Solid-state provides a method for electrically controlling machines and different processes with ____ elements and
accessories.
a. alloy b. heating
c. continuous d. logic
7. Solid-state starters are an effective choice in ____ applications.
a. reduced voltage b. simple
c. low temperature d. outdoor
8. A solid-state, reduced voltage motor starter uses ____ controlled rectifiers for power control.
a. graphite b. silicon
c. copper d. platinum
9. In addition to the greater noise immunity provided by integrated electronic circuits, the logic functions include
additional ____.
a. auxiliary contacts b. steps of acceleration
c. filtering and buffering d. voltage reducing elements
10. In the color coding of LEDs, AMBER indicates ____.
a. starting b. control voltage present
c. shorted SCR d. phase loss
Name: Class: Date:
Unit 30 AC Solid-State Reduced Voltage Controller