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Author Question: Assuming they both have the same condenser temperature, which application requires more horsepower ... (Read 46 times)

Pineappleeh

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on: Jul 24, 2018
Assuming they both have the same condenser temperature, which application requires more horsepower to produce a ton of cooling: a 0F evaporator, or a 40F evaporator?
 
  A) The 40F evaporator, because of its higher pressure
  B) The horsepower requirement per ton of cooling is not affected by the evaporator temperature.
  C) The 0F evaporator, because of the higher pressure difference
  D) The horsepower requirement is too complicated a calculation to make any valid comparison based only on evaporator and condenser temperatures.

Question 2

How does a fluorescent dye leak detector work?
 
  A) It is applied evenly to the outside of an area suspected of a leak.
  B) It dyes the refrigerant oil so that escaping oil leaves traces of dye.
  C) It is used in conjunction with ultrasonic detectors to improve the resolution of the mechanical ultrasound.
  D) It dyes the refrigerant, so that escaping gas leaves a visible cloud.


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Bsand8

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

C

Answer to Question 2

B


Pineappleeh

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Reply #2 on: Jul 24, 2018
Thank you!


Bsand8

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Reply #3 on: Jul 24, 2018
Always glad to help...


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