If the valley flashing is not wide enough for the ____ of the roof, wind-blown water may be forced under the roof covering and run beneath the flashing.
A. hip jack rafters
B. pitch
C. beams
D. valley jack rafters
Answer: B
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¿En qué lugares de una caldera grande podrían ubicarse las aberturas de inspección y las aberturas primaria y secundaria de aire?
a. En la parte inferior b. En las paredes laterales del horno c. En el economizador d. En los conductos de aire
Why are there no pesticides labeled for many minor crops?
What will be an ideal response?
Structural designers and architects with an interest in reducing cost design a structure so that it is completely modular in both length and width. Which of the following length and width measurements would meet this requirement?
A. 43'-5" long and 25'-7" wide B. 43'-0" long and 25'-0" wide C. 43'-6" long and 25'-6" wide D. 44'-0" long and 26'-0" wide
Which energy source is NOT considered a form of conventional energy??
A. ?natural gas B. ?propane C. ?fuel oil D. ?hydroelectric