Author Question: What percentage of ethylene glycol is commonly used for an ice-on-coil (external melt) system? ... (Read 45 times)

Sufayan.ah

  • Hero Member
  • *****
  • Posts: 512
What percentage of ethylene glycol is commonly used for an ice-on-coil (external melt) system?
 
  What will be an ideal response?

Question 2

What type of regular maintenance is required for an ice-on-coil internal melt thermal energy system?
 
  What will be an ideal response?



jesse.fleming

  • Sr. Member
  • ****
  • Posts: 301
Answer to Question 1

25

Answer to Question 2

The water level of the storage tank will be checked annually. A biocide is added to the water every two years. The concentration of the glycol solution is checked annually.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

For a complete list of videos, visit our video library