For conventional intersecting roofs that create 45-degree angles, what relationship do the hip and valley rafters have with each other?
A) Hip rafters are longer than valley rafters B) Hip rafters are shorter than valley rafters
C) Valley rafters are shorter than hip rafters D) Hip and valley rafters are the same length
D
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The use of improper ____________________ may result in personal injury and/or vehicle damage.
Fill in the blank(s) with the appropriate word(s).
In magnetic-type circuit breakers , there is ____ time delay in the opening of the contacts when an overload occurs.
A. zero B. very little C. medium D. very high
For the AFD operating frequency range shown in Figure 4, the range of AFD output frequencies over which the ratio of volts to hertz remains constant is identified in the figure as _____.
a. A to C
b. D
c. A to D
d. A to B
Theories of accident causation are used to predict and prevent accidents.