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Author Question: Which basic principle is one that influences how all HVACR systems work? A) An increase in ... (Read 109 times)

jeatrice

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on: Jul 24, 2018
Which basic principle is one that influences how all HVACR systems work?
 
  A) An increase in pressure can lower the boiling point of a liquid and change the temperature at which it turns to a gas.
  B) A decrease in pressure increases the boiling point of liquid, the temperature at which a liquid turns to a gas.
  C) Pressure affects boiling point and evaporation in an unpredictable way, so it must not be considered in HVACR equipment.
  D) An increase in pressure can increase the boiling point of a liquid, the temperature at which a liquid turns to a gas.

Question 2

What is the estimated length of a building that has 35 roof rafters 24 inches on center?
 
  A) 72 feet B) 66 feet C) 70 feet D) 68 feet


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dominiqueenicolee

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

D

Answer to Question 2

D


jeatrice

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Reply 2 on: Jul 24, 2018
Excellent

at

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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