This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Why do air-handling units require field adjustment during the commissioning phase? A) The ... (Read 103 times)

deesands

  • Hero Member
  • *****
  • Posts: 514
on: Jul 24, 2018
Why do air-handling units require field adjustment during the commissioning phase?
 
  A) The performance requirements of the blower cannot be determined in advance.
  B) Manufacturing errors that affect blower performance are common.
  C) To match the blower performance to the system requirements
  D) Air-handling units normally do not require field adjustment.

Question 2

Draining a small fraction of circulating water from the tower sump to prevent the buildup and concentration of scale forming minerals is called:
 
  A) Sump purging. B) Draindown. C) Blowdown. D) Desalinization.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

reversalruiz

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

C


deesands

  • Hero Member
  • *****
  • Posts: 514
Reply #2 on: Jul 24, 2018
Thank you!


reversalruiz

  • Sr. Member
  • ****
  • Posts: 327
Reply #3 on: Jul 24, 2018
Always glad to help...


« previous next »
 

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Sterile field instructions Sterile field instructions
A football game, in 1879, pits Yale against Princeton. The field was not lined or bounded, and play A football game, in 1879, pits Yale against Princeton. The field was not lined or bounded, and play
The initial phase of carbohydrate catabolism: glycolysis The initial phase of carbohydrate catabolism: glycolysis
Reactions 6–10: The Energy Generation Phase Reactions 6–10: The Energy Generation Phase
Cells are the basic units of life Cells are the basic units of life
Video: Endocytosis - pinocytosis, receptor mediated and Transcytosis

For a complete list of videos, visit our video library