?What is the recommended minimum downward pitch for drainback-protected solar collector tubes?
A. ?¼ inch per foot of horizontal travel
B. ?½ inch per foot of horizontal travel
C. ?¾ inch per foot of horizontal travel
D. ?1 inch per foot of horizontal travel
Answer: A
Trades & Technology
You might also like to view...
The least costly time to fix a drawing error is while it is in the ____________________ department.
Fill in the blank(s) with the appropriate word(s).
Trades & Technology
What are the important parts of an interiorscape bid submission? Name at least five
What will be an ideal response?
Trades & Technology
________ action uses drum rotation to force the brake shoe outward and wedge it tightly against the brake drum
A) Centripetal B) Servo C) Centrifugal D) Self-energizing
Trades & Technology
Many collapsible steering columns have:
What will be an ideal response?
Trades & Technology