NREL wind power resource maps classify every region in the US by Wind Power Class, ranging from ____, based on the average annual wind speed at heights of 33 ft and 164 ft above the ground.

A. 1 (poor) to 7 (superb)
B. 1 (poor) to 10 (superb)
C. 1 (poor) to 50 (superb)
D. 1 (poor) to 100 (superb)


Answer: A

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What does the acronym LTTR stand for and to which materials is it related?

What will be an ideal response?

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Alpacas were not imported to the U.S. until 1966.

Answer the following statement true (T) or false (F)

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Why did Calvin see to it that Michael Servetus was burned to death?

a. Servetus was a Lutheran and therefore in Calvin’s eyes a heretic. b. Servetus was attempting to persuade the people of Geneva to return to the Catholic fold. c. Calvin saw Servetus and as a competitor and a heretic. d. Calvin was convinced that Servetus was plotting to overthrow the Consistory.

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The unsigned decimal number 34510 is inputted to a 12-bit DAC. Given that RF = R0/4,095, logic 1 corresponds to 10 V, and logic 0 corresponds to 0 V,

a. What is the output of the DAC? b. What is the maximum voltage that can be outputted from the DAC? c. What is the resolution over the range 0 to 10 V? d. Find the number of bits required in the DAC if an improved resolution of 0.5 mV is desired.

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