The lifting capacity of a block and tackle is higher if it has _____.
a. more parts of line
b. more hooks
c. bigger hooks
d. more shackles
Answer: A
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Structural steels fall into ____ major classifications.
A. three B. four C. five D. six
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(a) For the periodic waveform in Prob. 17.5, find the rms value. (b) Use the first five harmonic terms of the Fourier series in Prob. 17.5 to determine the effective value of the signal. (c) Calculate the percentage error in the estimated rms value of z(t) if  figure 1.png)
What will be an ideal response?
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ACR copper pipe is measured by the outside diameter.
Answer the following statement true (T) or false (F)
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