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Author Question: How can infrared light be used to detect refrigerant? A) Infrared sensors change resistance in ... (Read 101 times)

jeatrice

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on: Jul 24, 2018
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.


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janieazgirl

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Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

C


jeatrice

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Reply 2 on: Jul 24, 2018
:D TYSM

bdobbins

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Reply 3 on: Yesterday
Excellent

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