_____ materials are easily melted, and they produce a hot, sticky ash.?
?
 

Fill in the blank(s) with the appropriate word(s).


Synthetic

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If a critical lift is stopped at some point, it can only be restarted by the _____.

a. rigging supervisor b. crane operator c. lift director d. site supervisor

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How is the net reactance, in ohms, found for an RLC series circuit?

What will be an ideal response?

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Explain how three transformers can be connected as a wye or delta system to provide AC voltage

What will be an ideal response?

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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.

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