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Author Question: The cad cell senses the flames by A) By dropping in resistance when exposed to light B) By ... (Read 20 times)

maegan_martin

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on: Jul 26, 2018
The cad cell senses the flames by
 
  A) By dropping in resistance when exposed to light
  B) By increasing in resistance when exposed to heat
  C) By increasing in resistance when exposed to light
  D) By dropping in resistance when exposed to heat

Question 2

Modern residential oil furnaces sense the flames using
 
  A) A cadmium sulfide cell B) A thermal sensing stack switch
  C) Flame rectification D) Ultraviolet light sensors


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ghepp

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Reply #1 on: Jul 26, 2018
Answer to Question 1

A

Answer to Question 2

A


maegan_martin

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Reply 2 on: Jul 26, 2018
Thanks for the timely response, appreciate it

peter

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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