When used in a circuit, an LED is generally operated at about _____.
a. 5mA or less
b. 10mA or less
c. 15mA or less
d. 20mA or less
d. 20mA or less
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A tire's height is called its ____.
A. profile B. traction C. load index D. footprint
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What are the parts of a tree trunk, starting in the center? From which of these do we get lumber?
What will be an ideal response?
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Outline some of the major differences in the ways coal is mined
What will be an ideal response?
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A 5/16 in bolt with national course threads will have:
A) 18 threads per inch. B) 16 threads per inch. C) 20 threads per inch. D) 24 threads per inch.
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