When a rain cap is used on a vertical exhaust stack, in which direction should the opening flap be pointed?
A. forward
B. rearward
C. inside
D. outside
Answer: D
You might also like to view...
Compare and contrast the status of women in the South with that in New England.
What will be an ideal response?
Offer your considered judgment of Richard Nixon as President, taking into account his personal qualities, domestic program, and foreign policies. If he had not harbored such bitter personal resentments, could he have come a great president? Why or why not?
What will be an ideal response?
Which type of bearing uses small thin rollers?
A) Ball B) Needle C) Roller D) All of these are correct
Combination fittings are used _____
A) to connect horizontal drains with vertical stacks B) in place of sanitary tees C) to decrease the number of fittings needed D) to increase flow resistance