The layout of an open (or mitered) stringer is similar to that of a ____.
a.riser
b.stair carriage
c.tread
d.landing
ANS: B
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Biosolids are ____
a. the byproducts of making paper b. slash from logging operations c. the dried, solid remains collected from wastewater treatment plants and animal manures d. crop residues
Duct systems are designed to provide conditioned air that matches:
A) A duct's total equivalent length. B) The previous duct design installed by the technician. C) The surrounding buildings. D) The needs of the structure.
If the frequency decreases in Figure 13-1, the impedance ________ and the phase angle ________
A) decreases, increases B) decreases, decreases C) increases, decreases D) increases, increases
A delta-wye transformer has a turns ratio of 9:1. The primary line voltage is 3600 V. What is the secondary line voltage?
A. 324.02 V B. 692.8 V C. 730.95 V D. 800 V