There are two types of tables X and Y, let assume the X is the shorter one and Y is more longer. the combination must be occurred between the two types of tables to be aligned and filling up the given distance. We can use a few number of tables to cover all the required distance as possible. Hence, you are required to find the optimum combination to keep the remaining empty distance is as small as possible. [Hint: the first priority is to minimize the empty distance, and the second priority is to minimize the number of used tables)

A cylindrical 00 AWG copper wire is coated with NEMA class B insulation. The normaloperating temperature of the wire is . What is the maximum current the wire can carry for 1second without exceeding the NEMA temperature rating?

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II- Research how engineers dispose of the waste produced by the generation of nuclear energy. Be specific and provide details. Please cite sources for all research completed while answering this question. Explain in detail regulations and environmental concerns that may apply (include a minimum of three – more is better). Be specific and provide details. Please cite all your sources. Which field(s) of engineering is involved with these disposal Projects? Are these fields of engineering of interest to you? Why or why not. Explain in detail    Answer all 3

The wording that I am running into with questions such as "The number of conductors required to be installed between three-way and four-way switches is " is confusing.  The text is not expalining this in a way that I am understanding anything other than grounding conductor, which is optional unless I am using a metal box.  So what type of "conductor" is beng discussed?