Author Question: What is the first color of light that can be seen when a piece of metal is being heated? What ... (Read 120 times)

vicky

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What is the first color of light that can be seen when a piece of metal is being heated?
 
  What will be an ideal response?

Question 2

What units of measurement are used in the United States to rate the cooling capacity of conditioning equipment?
 
  What will be an ideal response?



xiaomengxian

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Answer to Question 1

Red

Answer to Question 2

BTUs per hour and Tons



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