Energy storage is being discussed. Technician A says a battery stores energy chemically. Technician B says a capacitor stores energy in an electrostatic field between two electrodes. Who is correct?
A. A only
B. B only
C. Both
D. Neither
Answer: C. Both
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A(n) ____________________ provides details of the composition of a chemical, lists possible health and safety problems, and gives precautions for its safe use.
Fill in the blank(s) with the appropriate word(s).
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The approximate density of lumber is
A) 55 psf. B) 55 pcf. C) 35 pcf. D) 35 psf. E) 75 pcf.
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Define wheel alignment.
What will be an ideal response?
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The original UNIX operating system was written in ____.
A. C B. C++ C. assembly language D. Awk
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