The dampers on registers are normally not used for balancing the system airflow because:
A) They will produce excessive noise in the space.
B) They do not seal off tightly enough to be used for balancing dampers.
C) Most registers do not have integral dampers.
D) They are more difficult to adjust than dampers in the duct system.
A
You might also like to view...
Rolled screw threads are larger than the shank of the bolt (the area between the thread and the head of the bolt).
Answer the following statement true (T) or false (F)
Which provides greater airflow and less stress on a drainage system—stacks or a horizontal building drain? Why?
What will be an ideal response?
____ includes only line drawings done in one of several three dimensional methods.
A. Isometric projection B. Pictorial drawing C. Technical illustration D. Axonometric projection E. none of the above
The shortest side in a right triangle is called the hypotenuse.
Answer the following statement true (T) or false (F)