Technician A says that if a relay is normally open, it must be energized in order to complete the controlled circuit. Technician B says that if a solenoid-operated valve is normally closed, it must be energized in order to allow flow through it.Who is correct?
A) Technician A only
B) Technician B only
C) Both technicians
D) Neither technician

Question

Quizplus · Accepted Answer

Both statements are correct. A normally open relay needs to be energized to complete a circuit, and a normally closed solenoid-operated valve must be energized to open and allow flow.

Technician a Says That If a Relay Is Normally Open