8: Answer Key
Self-Test 1
-
Match the device on the left with its purpose on the right.
- Circuit breaker (1. Protects circuits)
- Rheostat (3. Variable control)
- Relay (2. Electric switch)
- Solenoid (4. Movable core)
- a. They have two or more fixed values.
- d. A circuit breaker can be reset and a fuse cannot.
- b. False
- b. Copper
- a. True
- d. Protection devices
- b. 4
- a. True
- c. To increase or decrease voltage
- c. CSA
- a. True
- c. 240 V
Self-Test 2
- a. True
- c. Pictorial
- b. False
- c. Installations
- a. True
- b. False
Self-Test 3
- b. False
- a. They will all fail.
- d. Resistance
- a. True
- b. Voltage will be the same at each load.
- b. Series aiding
- a. Safety
- b. 18 volts are produced.
- c. Like terminals must be connected.
- a. Correct polarity
- b. 12 V