Suppose arc ABC = 90o and the radius is 4.2 inches. What is the length of arc ABC to the nearest tenth of an inch?
A. 6.4
B. 6.5
C. 6.6
D. 6.7
Answer: C
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Indicate whether the statement is true or false
When installing more than two conductors in a conduit or tubing, the maximum percentage of fill allowed by the NEC® according to Table 1 in Chapter 9 is __________.
a. 25 b. 31 c. 40 d. 60
Who invented the first battery?
A. William Gilbert B. Luigi Galvani C. Benjamin Franklin D. Joseph Priestly
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A) Will occupy the same amount of space given the temperature is below 212°F. B) Change when critical pressure is applied to the mass. C) Do not change in volume when pressures change but gases will change. D) Change in volume when critical temperature is applied to the mass.