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Author Question: Pneumatic control systems: A) Use air pressure to modulate control valves. B) Are the most recent ... (Read 88 times)

cookcarl

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on: Jul 27, 2018
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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Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

B


cookcarl

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Reply 2 on: Jul 27, 2018
:D TYSM

jomama

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Reply 3 on: Yesterday
Gracias!

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