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Author Question: One disadvantage infrared thermometers is that they: A) Are only available in limited quantities ... (Read 47 times)

Mr.Thesaxman

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on: Jul 26, 2018
One disadvantage infrared thermometers is that they:
 
  A) Are only available in limited quantities due to their specialized nature.
  B) Are generally less accurate than dial type pocket thermometers.
  C) Take longer to get a reading than other types of thermometers.
  D) Can only read the temperature of objects.

Question 2

The operation of a thermostatic expansion valve can best be described as:
 
  A) Spring pressure = bulb pressure + evaporator pressure.
  B) Bulb pressure = evaporator pressure + spring pressure.
  C) Bulb pressure = evaporator pressure = spring pressure.
  D) Evaporator pressure = evaporator pressure + bulb pressure.


Rilsmarie951

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

D

Answer to Question 2

B


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Mr.Thesaxman

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Reply #2 on: Jul 26, 2018
TY


Rilsmarie951

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Reply #3 on: Jul 26, 2018
You're welcome


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