An aperiodic signal x(t) has a CTFT



Let be its CTFS harmonic function.




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The insulating oil in a liquid-filled transformer should be regularly tested for _____.

a. dielectric strength b. conductivity ratio c. acidity d. water content

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Archaeologists were first able to distinguish the remains of the domestic cat in their excavations of ____________________

Fill in the blank(s) with correct word

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Technician A says that drum brakes can fail to slow the vehicle if driven through deep water. Technician B says that when drum brakes get hot, the brake pedal will drop because the drum expands away from the shoes. Which technician is correct?

A) Technician A only B) Technician B only C) Both Technicians A and B D) Neither technician A nor B

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Hacksaws cut:

A) On both forward and back strokes. B) In helical oscillation created by vibrating the handle. C) On the back stroke. D) On the forward stroke.

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