How can infrared light be used to detect refrigerant? A) ...

[jeatrice]

How can infrared light be used to detect refrigerant?
 
  A) Infrared sensors change resistance in the presence of refrigerant.
  B) Infrared sensors interact with oxygen at different rates depending on the refrigerant exposure.
  C) Most gases absorb infrared light at a characteristic frequency.
  D) Refrigerant turns the infrared light blue.

Question 2

A refrigerant sensor that changes conductivity when exposed to refrigerant is:
 
  A) Infrared nondispersive (NDIR). B) Photoacoustic infrared (PIR).
  C) Ceramic metal oxide semiconductor (CMOS). D) Diffusion infrared.

[janieazgirl]

Answer to Question 1

C

Answer to Question 2

C

[jeatrice]

TYSM

[irishcancer18]

Gracias!