What is the name of the oblique (angled) cut made on one end of a valley jack rafter that allows the jack to lay up against the valley rafter it supports?
A) Square B) Seat C) Plumb D) Cheek
D
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Which of the following is true with regard to steel erection?
a. Respirators are never needed when welding. b. A hot work permit may be required when welding. c.Welding epoxy-coated surfaces is safer than welding bare metal. d. Eye protection is not necessary when wearing a welding helmet.
Net profit would be calculated in which way?
A) Gross profit plus the indirect cost B) Income minus all variable expenses C) Gross profit minus overhead expenses D) None of the above
According to the common length difference principle for jack rafters, equally spaced hipjack rafters will each have a common difference in length
Indicate whether the statement is true or false
Fillets are slightly rounded outside curves at corners.
Answer the following statement true (T) or false (F)