Which fastener is least affected by thermal expansion and contraction of building materials?
A) Nails B) Construction adhesive
C) Staples D) Screws
D
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If a cam profile is described as being mostly outer base circle, what would be true of the train it actuates?
A. actuated twice per revolution B. actuated every other revolution C. loaded for most of the cycle D. unloaded for most of the cycle
B-B Plyform panels are designed for reuse _____.
a. 2 to 4 times b. 5 to 10 times c. 16 to 20 times d. 25 to 35 times
Un embalamiento en un tendido vertical está causado por:
a. el halado de tramos cortos. b. el peso del cable y la gravedad. c. cable demasiado pesado. d. cable del tamaño equivocado.
Job-built forms for square or rectangular columns are built of plywood sheets and battens of _____.
a. 2" × 8" lumber b. 2" × 6" lumber c. 2" × 4" lumber d. 2" × 2" lumber