Electrical symbols ____.

A. are standardized in the United States
B. are not important to know
C. make drafting more complex
D. are not standardized


Answer: D

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________: the number of unemployed persons divided by the total civilian labor force

Fill in the blank(s) with the appropriate word(s).

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The cosine of an angle that has an adjacent side of 10 inches and a hypotenuse of 14 inches is _____.

a. 0.6984 b. 0.7143 c. 0.7654 d. 0.7692

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The navigational system receives GPS signals from up to ____ satellites to display the position and direction of the vehicle.

A. six B. eight C. ten D. twelve

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How can hermetic compressors be characterized?

A) They have a welded shell with a shaft that connects to an external motor. B) They have a shaft that connects to an external motor. C) They have a welded shell, which holds both the compressor and motor. D) They have a bolted housing that encloses both the compressor and motor.

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