The ____ of an arc is the distance from the center to the edge of the arc.
A. radius
B. diameter
C. length
D. area
Answer: A
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Fill in the blank(s) with the appropriate word(s).
How is the COP rating different from the HSPF?
A) Only the COP measures defrost. B) COP takes data from multiple weather conditions. C) HSPF takes data from multiple weather conditions. D) Only the HSPF measures heating and cooling units.
Carry the answer to three decimal places. The cold resistance of an armature measures 0.096 ohm. After running for 5 hours, the resistance is 1.25 ohms. What is the difference in the resistance?
Fill in the blank(s) with the appropriate word(s).
Given a set of steps with standard-size bricks used to cover the riser and tread surfaces of a flight of concrete stairs if each tread measures 12" deep by 48" wide and each riser is 8" high, how many bricks are needed to cover four risers rounded up to the nearest whole brick? (Refer to the diagram on page 63 in the book.)
What will be an ideal response?