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Author Question: The general types of commercial control systems include A) Electro-mechanical, electronic, ... (Read 408 times)

corkyiscool3328

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on: Jul 27, 2018
The general types of commercial control systems include
 
  A) Electro-mechanical, electronic, pneumatic, and direct digital
  B) DC millivoltage, DC microamp loop, AC frequency modulation
  C) Self contained and remote
  D) Low voltage, line voltage, and millivoltage

Question 2

A device that moves a device such as a valve or damper is called
 
  A) An actuator B) Sensor C) A switch D) A sending unit


abro1885

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

A

Answer to Question 2

A


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