For a building to be properly ventilated: A) Air must be ...

[ap345]

For a building to be properly ventilated:
 
  A) Air must be ducted from the floor to the ceiling.
  B) A vent hole must be installed in the center of a building space.
  C) Air must be able to flow and exchange properly throughout the building space.
  D) Vents should always be installed from the sides of a building structure.

Question 2

The oil filter in a gas reciprocating compressor should be changed semiannually or when the differential pressure exceeds ________ psi.
 
  A) 10 B) 40 C) 20 D) 30

[debra928]

Answer to Question 1

C

Answer to Question 2

A

[ap345]

Thanks for the timely response, appreciate it

[atrochim]

Wow, this really help