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Author Question: Pneumatic control systems: A) Use air pressure to modulate control valves. B) Are the most recent ... (Read 94 times)

cookcarl

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Pneumatic control systems:
 
  A) Use air pressure to modulate control valves. B) Are the most recent type of commercial control.
  C) Have no moving parts. D) Use electric motors to modulate control valves.

Question 2

Which control system allows a building to be monitored and controlled from a remote location?
 
  A) Piezoelectric B) Direct digital C) Pneumatic D) Electronic



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millet

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Answer to Question 1

A

Answer to Question 2

B




cookcarl

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Reply 2 on: Jul 27, 2018
Wow, this really help


scottmt

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Reply 3 on: Yesterday
Gracias!

 

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