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

Author Question: Why is it advantageous to maintain a positive pressure in a building? A) To reduce drafts B) To ... (Read 72 times)

Evvie72

  • Hero Member
  • *****
  • Posts: 519
Why is it advantageous to maintain a positive pressure in a building?
 
  A) To reduce drafts B) To reduce exfiltration
  C) To minimize system ventilation heat load D) To simplify system fan and duct design

Question 2

The rotation of an ECM motor is determined by:
 
  A) The internal motor wiring. B) The polarity of the power into the motor.
  C) The module program. D) The polarity of the start winding.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nhea

  • Sr. Member
  • ****
  • Posts: 305
Answer to Question 1

A

Answer to Question 2

C




Evvie72

  • Member
  • Posts: 519
Reply 2 on: Jul 24, 2018
Gracias!


cdmart10

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Excellent

 

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

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?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

For a complete list of videos, visit our video library