Which of the following inscriptions on a wire connector indicates that it is designed for use on both copper and aluminum wire?
a. UL
b. CSA
c. AL-CU
d. AL-AL
c. AL-CU
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On what principal do series motors operate?
What will be an ideal response?
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Assume that for a given consumer, the marginal utility of wine is 100 and the price of wine is $60. Also, assume that the marginal utility of lobster is 200 and the price of lobster is $100. This consumer
A) should buy more wine. B) should buy more lobster. C) is in equilibrium. D) can't tell; insufficient information given to answer the question
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What are concrete slabs usually reinforced with?
What will be an ideal response?
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Assume that X, Y, and Z are independent measurements with X=25 ± 1,Y=5.0 ± 0.3, and Z=3.5 ± 0.2. Find the uncertainties in each of the following quantities:
a. XY+Z
b. Z/(X+Y)
c. 
d. 
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