In refrigeration and air conditioning, switches are normally ...

[CQXA]

In refrigeration and air conditioning, switches are normally wired:
 
  A) In parallel with the load they control.
  B) In parallel with the power supply.
  C) In series with the load they control.
  D) In either series or parallel with the load they control.

Question 2

Which leak detectors can be used with systems that are only charged with nitrogen?
 
  A) Heated diode electronic detectors B) Ultrasonic leak detectors
  C) Infrared detectors D) Corona discharge electronic detectors

[lorealeza77]

Answer to Question 1

C

Answer to Question 2

B

[CQXA]

YES! Correct, THANKS for helping me on my review

[chjcharjto14]

Thanks for the timely response, appreciate it