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Author Question: The operating sequence to light the main burners on an intermittent pilot system is A) the main ... (Read 112 times)

Shelles

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on: Jul 26, 2018
The operating sequence to light the main burners on an intermittent pilot system is
 
  A) the main valve is energized, then the spark igniter, and finally the pilot valve
  B) the pilot valve and spark igniter are energized, the pilot flame is proved, and then the main gas valve is energized
  C) the main valve and spark igniter are energized, the pilot flame is proved, and then the pilot gas valve is energized
  D) the pilot valve and main valve are energized simultaneously

Question 2

Gibs or dowels on a pillow block housing are there for the purpose of _____.
 
  a. tensioning the bearing
  b. aligning the bearing
  c. lubricating the bearing
  d. matching the cap and base


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vboyd24

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Reply #1 on: Jul 26, 2018
Answer to Question 1

B

Answer to Question 2

d


Shelles

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Reply 2 on: Jul 26, 2018
YES! Correct, THANKS for helping me on my review

frankwu0507

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Reply 3 on: Yesterday
Wow, this really help

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