Two-way beam-and-slab floors normally require support by beams and walls _____
a. along the perimeter and midline of the slab
b. at 20-foot intervals across the shortest dimension
c. only at the perimeter
d. at 20-foot intervals across the longest dimension
c
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Explain how passive use of the sun’s energy is used in homes.
What will be an ideal response?
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A ____ type of motor shaft is found on motors with 5/8” and larger shaft diameters. Its purpose is to prevent the shaft from slipping on the coupling device with the mechanical load.
a. flat b. key c. round d. threaded
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In milking parlors using automatic milking units, a maximum _____ units per person is recommended
a. four c. seven b. six d. eight
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The most current edition of the NFPA 70E was published in _________________________.
A. 2000 B. 2005 C. 2009 D. 2011
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