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Author Question: In what year was oxyacetylene introduced? A) 1836 B) 1929 C) 1902 D) ... (Read 39 times)

robinn137

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on: Jul 26, 2018
In what year was oxyacetylene introduced?
 
  A) 1836 B) 1929 C) 1902 D) 1859

Question 2

The purpose of controls in an HVACR system is to
 
  A) regulate HVACR equipment in response to monitored conditions
  B) Protect the refrigeration cycle components
  C) Start and stop all the electrical components
  D) maintain the temperature in a space


iman

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

A

Answer to Question 2

A


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