A band-limited voltage signal is found to have the complex Fourier coefficients presented in the table below. Calculate the average power that the signal would supply a 4-? resistor.
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An air filter that is contaminated with oil may be caused by:
A. A defective PCV system B. Excessive engine blowby C. Both A and B D. Neither A nor B
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The starter motor must spin at ____ rpm in order to turn the engine at normal cranking speed to start the engine, which is about 200-250 rpm.
A. 1,200 B. 3,600 C. 4,000 D. 4,500
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Brake cleaning is being discussed. Technician A says brake dust can be removed with a blowgun if the area has been wetted down first. Technician B says a negative-pressure enclosure can be used to safely contain brake dust in the workplace. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
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What is the chief economic disadvantage of recycling plastics?
What will be an ideal response?
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