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Author Question: A tachometer is used to measure: A) Energy use. B) Air velocity. C) Wind speed. D) Rotational ... (Read 66 times)

dbose

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on: Jul 24, 2018
A tachometer is used to measure:
 
  A) Energy use. B) Air velocity. C) Wind speed. D) Rotational speed.

Question 2

When debrazing a joint on a refrigeration system, often:
 
  A) The oil fumes will ignite when the joint is opened.
  B) The residual refrigerant will crystallize around the tube outlet.
  C) The vacuum created by the flames will cause a quick inward suction when the tube is pulled.
  D) The exiting fumes will extinguish the torch flame.


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blakcmamba

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Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

A


dbose

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Reply 2 on: Jul 24, 2018
Wow, this really help

tkempin

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Reply 3 on: Yesterday
Gracias!

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