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lalalala1 lalalala1
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6 years ago
What is the most common form of switching used for mechanical thermostats?
 
  A) spring and bellows B) Magnets
  C) Mercury bulb D) Warped discs

 Q. 2

What is used as the sensing element in a mechanical humidistat?
 
  A) Mercury B) A coiled piece of hygroscopic metal
  C) A nylon ribbon or hair D) A sensing bulb filled with water
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ogilusinogilusin
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6 years ago
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lalalala1 Author
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#2
6 years ago
Just confirmed the same answer from my friend, thanks
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