The Illustrated Guide to the NEC® should be used as a(n) ____.
A. supplement to the NEC®
B. index for the NEC®
C. graphical substitution for the NEC®
D. replacement for difficult sections of the NEC®
Answer: A
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When a set of construction drawings has been completed, it is presented to the owner for reviw.
Answer the following statement true (T) or false (F)
Methods of cleaning aluminum include:
A) Chemical etching B) Grinding C) Cathodic etching D) All of the above
Solve and reduce all answers to lowest terms: 3/4 yards + 1/4 yards + 1/2 yards + 3/4 yards + 1/2 yards =
What will be an ideal response?
Design a Butterworth bandstop filter with the following specifications:
Lower passband cutoff frequency = f1 = 1125 Hz Lower stopband cutoff frequency = f2 = 2455 Hz Upper stopband cutoff frequency = f3 = 3055 Hz Upper passband cutoff frequency = f4 = 4255 Hz Maximum attenuation in the passband (dB) = Ap = 0.87 dB Minimum attenuation in the stopband (dB) = As = 4.37 dB excess='pass' km = 1000 (a) Find ?1, ?2, ?3, ?4, ?s, and order n. (b) Find the recalculated values of Ap1, As1, ?, ?c. (c) Find the poles S and zeros SZ of the normalized lowpass filter before multiplication by ?c. (d) Find the transfer function of the frequency transformed bandstop filter and find Q values and ?0 values of the second-order sections. (e) Find the normalized component values for Sallen-Key circuit for each second-order section. (f) Find the scaled component values for Sallen-Key circuit for each second-order section.