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

Author Question: Why is it advantageous to maintain a positive pressure in a building? A) To reduce drafts B) To ... (Read 28 times)

Evvie72

  • Hero Member
  • *****
  • Posts: 519
on: Jul 24, 2018
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
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

C


Evvie72

  • Member
  • Posts: 519
Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

triiciiaa

  • Member
  • Posts: 349
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

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

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Blood Pressure Chart Blood Pressure Chart
A gasoline direct-injection system injects fuel under high pressure directly into the combustion ... A gasoline direct-injection system injects fuel under high pressure directly into the combustion ...
Measuring Air Pressure Measuring Air Pressure
Pressure Zones Drive Winds Pressure Zones Drive Winds
The Mantoux tuberculin skin test. Positive reaction. The Mantoux tuberculin skin test. Positive reaction.
Kyoto Protocol encourages industry to innovate and reduce the level of emissions Kyoto Protocol encourages industry to innovate and reduce the level of emissions
Video: Audiology

For a complete list of videos, visit our video library