Whose law summarizes the ways in which a voltage can be generated by a changing magnetic field?

A. Tesla
B. Edison
C. Faraday
D. Ohm


Answer: C

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Repeat Problem 20-19, using the PCA design method, if the subgrade k value is 50 and a 6-inch stabilized subbase is used. The modulus of rupture of the concrete is 600 lb/in2 and the pavement has aggregate interlock joints (no dowels) and a concrete shoulder.

What will be an ideal response?

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Technician A says that containers for dirty shop rags should be made of metal. Technician B says that these containers should have a lid that stays closed. 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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An oil filter should be hot drained for how long before disposal?

A) 30 to 60 minutes B) 8 hours C) 4 hours D) 12 hours

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The majority of radiant heating piping systems are located in the __________.

A. ceiling B. walls C. floors D. all of the above

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