Hvac 307 Flashcards
1
Q
Turning canes, or duct turns, are composed of scientifically designed turning blades for use in an air-handling system to reduce turbulence
A
2
Q
Why do we use two-piece streamliner?
A
Two-piece streamlines are used in areas where the ductwork cannot be made to offset around an obstruction that would exceed 20% of the cross-sectional area of the duct.
3
Q
Type of fans have low noise emission and are suitable for restaurant exhaust systems or where air contains moisture or dust.
A
Backward Inclined Blades.
