Why is AC instead of DC power transmitted to buildings?

A) DC power would require giant batteries.
B) Since AC power goes both ways, it can redistribute power that is not used.
C) Normal household lights will not work on DC power.
D) It is easier to step the voltage up and down with AC power.


D

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The excised-embryo test is most often used to test seed viability in ________.

A) woody trees and shrubs B) flowers C) vegetables

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The smoothest finish on a flange face is the _____.

a. concentric serrated b. phonographic serrated c. raised face d. coldwater finish

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Diagnosis of the telematics module and the bus communication between modules of the Wi-Fi system require use of a scan tool.

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

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The four categories of gear tooth wear are:

A. wear, surface fatigue, plastic flow, breakage. B. uneven wear, breakage, angling, tunneling. C. breakage, fatigue, liquification, angling. D. severe wear, plating, kerfing, wedging.

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