What is the formula for the circumference of a circle?
a. C = ?r2 c. C = 2 ?r
b. C = 2 ?d d. C = 2 ?r2
C
C = 2 ?r
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Section 3.11.5.3 of the International Building Code® specifies that risers cannot be more than 7 3/4 inches high and treads must be at least ____ inches deep.
A. 7 B. 8 C. 9 D. 10
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A major advantage of using synthetic engine oil is its ability to remain ________ at very low temperatures
A) Clear B) Warm C) Fluid D) Resistant
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Drafters and print readers must possess the same level of understanding about creating prints.
Indicate whether the statement is true or false.
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Which elements and signals of a control system do not exist in an open-loop configuration?
A. comparator B. error signal C. measurement device D. feedback signal E. all of the above
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