Determine the reluctance of the structure of Figure 18.12 in the text if the cross-sectional area is A = 0.1 m2 and ?r = 2,000. Assume that each leg of the mean magnetic path is 0.1 m in length and that it runs through the exact center of the structure.


Analysis:

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PROBLEM 2.21 For the steel truss (E = 29 ? 106 psi) and loading shown, determine the deformations of members AB and AD, knowing that their cross-sectional areas are 4.0 in2 and 2.8 in2, respectively.

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Technician A says that lifting hooks should be used when hoisting an engine. Technician B says that the engine can remain level during removal. Which technician is correct?

A) Technician A B) Technician B C) Both technicians D) Neither technician

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The American Quarter Horse is one example of a color breed.

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

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Three types of potential threats to the chemical and refining industries are:

What will be an ideal response?

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