The typical air velocities in the ducts of air- conditioning systems are: |
1. Lower in residential buildings as compared to those of public buildings |
2. higher in residential buildings as compared to those of public buildings |
3. Higher in industrial buildings has compared to those of public buildings |
4. Equal in all types of buildings |
A) 1 alone
B) 1 and 3
C) 2 and 3
D) 4 alone
Correct Answer: B
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