This topic contains a solution. Click here to go to the answer

Author Question: Why should liquid refrigerant NOT be introduced into an evacuated chiller? A) The liquid can ... (Read 146 times)

jessicacav

  • Hero Member
  • *****
  • Posts: 558
Why should liquid refrigerant NOT be introduced into an evacuated chiller?
 
  A) The liquid can flash at subfreezing temperatures and freeze the water in the chiller tubes.
  B) The liquid refrigerant might boil and overheat the water in the chiller.
  C) Liquid charging is slow and chillers hold a lot of refrigerant.
  D) Adding refrigerant would ruin the vacuum.

Question 2

Alternating current frequency is measured in:
 
  A) Watts. B) Volts. C) Amps. D) Hertz.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

leannegxo

  • Sr. Member
  • ****
  • Posts: 374
Answer to Question 1

A

Answer to Question 2

D




jessicacav

  • Member
  • Posts: 558
Reply 2 on: Jul 24, 2018
Gracias!


LegendaryAnswers

  • Member
  • Posts: 341
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

For a complete list of videos, visit our video library