Masonry units in an adhered masonry veneer _______.
A) require grouting of joints after adhering the units.
B) require pointing of joints before adhering the units.
C) require grouting of joints while the units are being adhered.
D) do not require pointing of joints.
A) require grouting of joints after adhering the units.
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Why is the capillary tube the popular choice of expansion devices for domestic units?
What will be an ideal response?
Computer Study—comparison of cantilever and portal methods with an exact analysis. (a) Analyze the two-story frame in Figure P13.19 by the portal method. (b) Repeat the analysis using the cantilever method. Assume the area of the interior columns is twice the area of the exterior columns. Assume the baseplates connecting all columns to the foundations can be treated as a pin support. (c) Compare the results with an exact analysis using a computer software. Use E = 200 GPa for all members; for beams and interior columns use A = 10,000 mm 2 and I = 50 × 10 6 mm 4 ; for exterior columns use A = 5000 mm 2 and I = 25 × 10 6 mm 4
Which type of duct material is commonly used for branch runs with a metal duct system?
A. galvanized metal B. fiberglass-wrapped, spiral duct (flexible duct) C. fiberglass, fiberboard sheeting D. round sheet metal
____ is defined as a twisting action that tends to turn one part or end around a longitudinal axis while the other part or end remains fixed.
A. Compression B. Extension C. Tortion D. Expansion E. none of the above