Author Question: A device that converts a nonelectrical impulse such as sound, heat, light, or pressure into an ... (Read 53 times)

frankwu · **on:** Jul 24, 2018

A device that converts a nonelectrical impulse such as sound, heat, light, or pressure into an electrical signal is called:

A) An actuator. B) A switch. C) A sensor. D) A sending unit.

Question 2

When is the Y terminal energized on most heat pump thermostats?

A) Anytime the system is energized B) In first stage cooling only
C) Both first-stage heating and cooling D) In first stage heating only