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Author Question: Cast iron welding requires postweld heat treatment. Indicate whether the statement is true or ... (Read 78 times)

storky111

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on: Jul 26, 2018
Cast iron welding requires postweld heat treatment.
 
  Indicate whether the statement is true or false

Question 2

What is the last step in the operational sequence of the typical oil-fired furnace?
 
  A) The indoor blower turns off. B) The flame shuts down.
  C) The heat exchanger cools. D) The fan switch contacts open.


Cheesycrackers

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

TRUE

Answer to Question 2

A


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