A cubic yard of concrete contains how many cubic feet?
A) 3
B) 9
C) 18
D) 27
Answer: D
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An industrial load is modeled as a series combination of an inductor and a resistance as shown in Fig. 9.89. Calculate the value of a capacitor C across the series combination so that the net impedance is resistive at a frequency of 2 kHz.
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Indicate whether the statement is true or false
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One of the two sources used by precast concrete CAD technicians in preparing sectional drawings is the ____ from which the framing plans were prepared.
A. raw data B. engineer's sketch C. set of checkprints D. designer's general notes