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HVAC
NATE Air Distribution Service Specialty
IAQ Assessment
Knowledge Check
IAQ Assessment
Knowledge Check
Knowledge Check
1 / 10
A rectangular duct elbow without turning vanes causes an uneven velocity profile downstream. How far downstream does this turbulent profile typically persist?
A
10 or more diameters downstream
B
2-3 diameters downstream
C
5 diameters downstream
D
Only within the elbow fitting itself
Check Answer
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