Why is it advantageous to maintain a positive pressure in a ...

[Evvie72]

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.

[nhea]

Answer to Question 1

A

Answer to Question 2

C

[Evvie72]

Thanks for the timely response, appreciate it

[covalentbond]

TYSM