What is the frequency of an AC waveform that completes 20 cycles per half second?

a. 10Hz
b. 20Hz
c. 30Hz
d. 40Hz


d. 40Hz

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Gerbils are occasionally affected by ____________________, which are usually observed during handling

Fill in the blank(s) with correct word

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A piece of plywood is composed of five layers. The two outer layers are veneers with thickness 0.50 ± 0.02 mm, and the three inner layers each have thickness 6.25 ± 0.05 mm. Assume the thicknesses of the layers are independent. Estimate the thickness of the plywood and its uncertainty.

What will be an ideal response?

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Technician A uses a steel gasket scraper on aluminum engine parts. Technician B uses a plastic or wood scraper on aluminum engine parts. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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The direction of the wound rotor induction motor can be reversed by interchanging two of the three rotor terminals.

Answer the following statement true (T) or false (F)

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