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 38 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
Thanks for the timely response, appreciate it


Liddy

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

For a complete list of videos, visit our video library