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Workforce LibreTexts

Answer Key

  • Page ID
    3309
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    • Contributed by Camosun College
    • Sourced from BCCampus (Download for free at http://open.bccampus.ca/find-open-textbooks)

    Answer Key

    Self-Test 1

    1. Match the device on the left with its purpose on the right.
      1. Circuit breaker (1. Protects circuits)
      2. Rheostat (3. Variable control)
      3. Relay (2. Electric switch)
      4. Solenoid (4. Movable core)
    2. a. They have two or more fixed values.
    3. d. A circuit breaker can be reset and a fuse cannot.
    4. b. False
    5. b. Copper
    6. a. True
    7. d. Protection devices
    8. b. 4
    9. a. True
    10. c. To increase or decrease voltage
    11. c. CSA
    12. a. True
    13. c. 240 V

    Self-Test 2

    1. a. True
    2. c. Pictorial
    3. b. False
    4. c. Installations
    5. a. True
    6. b. False

    Self-Test 3

    1. b. False
    2. a. They will all fail.
    3. d. Resistance
    4. a. True
    5. b. Voltage will be the same at each load.
    6. b. Series aiding
    7. a. Safety
    8. b. 18 volts are produced.
    9. c. Like terminals must be connected.
    10. a. Correct polarity
    11. b. 12 V