MUA Flashcards
1
Q
Two basic types of MUA’s
A
- Direct Gas Fired
- Indirect Gas Fired
2
Q
Purpose of a Make-Up Air?
A
to “condition” ventilation air introduced into a space or to replace air exhausted from the building.
3
Q
Kitchens Make-Up Air - slightly positive or negative
A
Slightly Negative
4
Q
Hallways Make-Up Air - Slightly positive or negative
A
Slightly Positive
5
Q
Proper velocity required across the profile plate?
A
2500-3200 FPM
6
Q
Pressure differential across the burner plate?
A
0.18 “w.c Low
1.5” w.c. High
0.48” w.c. Ideal
7
Q
What are Hydonic Heated coils filled with?
A
Water or Glycol
8
Q
Products of proper combustion
A
Carbon Dioxide, Nitrogen Dioxide, water vapour, heat and light
9
Q
Two types of MUA motors
A
ODP - Open drip-proff
TEFC - Totally Enclosed Fan-Cooled
10
Q
A
