Answer the following statement(s) true (T) or false (F)

Question

1. An electrician must know the symbols and terms used in automatic control diagrams to be able to wire, install, troubleshoot, and maintain automatic control equipment.
2. Remote control of a controller uses contactors, relays, pushbuttons, sensors, and possibly electronics.
3. Magnetic switches used in controllers cannot be used with remote control and are expensive.
4. The manufacturing and materials-handling industries can predict maintenance with great certainty and help with failure analysis based on E stop systems.
5. SCADA connections and RTUs and HMIs are increasingly being connected through systems that uses a manufacturer-specific protocol for each component.

Answer 1

1. TRUE
2. TRUE
3. FALSE
4. FALSE
5. FALSE