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).
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
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
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.