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Author Question: Which type of control system can control system operation based on real-time system information? ... (Read 189 times)

lracut11

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Which type of control system can control system operation based on real-time system information?
 
  A) Communicating system B) Relay logic system
  C) Hybrid pneumatic electromechanical system D) Line-voltage control system

Question 2

Why do direct spark ignition furnaces and hot-surface ignition furnaces require redundant gas valves?
 
  A) To modulate the gas pressure B) In case one fails to open, the other will.
  C) For safety since there is no pilot safety solenoid D) To open the valve slowly



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Jane

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Answer to Question 1

A

Answer to Question 2

C




lracut11

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Reply 2 on: Jul 24, 2018
Excellent


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Reply 3 on: Yesterday
:D TYSM

 

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