One application of a phototransistor is a(n) _____.

A. optical encoder circuit
B. voltage regulator
C. Hall-effect device
D. voltage controller


Answer: A

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When done correctly, _____ can provide communication researchers with valuable insights into how messages are communicated

a. analytical review b. content review c. content analysis d. survey review

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Convert 9°4'7" into decimal degrees. Round to the nearest thousandth of a degree

What will be an ideal response?

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Portable oxyfuel track burners can be used for _____

a. stationary cutting, but not bevel cutting b. straight-line cutting and bevel cutting c. movable cutting, but not straight-line cutting d. both drag cutting and kerfless cutting

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When the timer is triggered in a 555 timer, the output, pin #____, turns on.

a. 2 b. 3 c. 4 d. 5

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