Wire and cable material is often crosslinked by electron beam irradiation. Why is this material crosslinked?
What will be an ideal response?
Wire and cable insulation is susceptible to stress cracking. Irradiation to cause crosslinks will tie the molecules together and prevent this stress cracking form occurring.
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Although the highest wind speeds occur in tornadoes, the building code ignores tornado wind speeds in specifying the design wind speed for a location. Why?
What will be an ideal response?
Technician A says bearings that take axial loads are also known as thrust washers. Technician B says torrington washers are bearings that take radial loads. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
In addition to actual products, what other benefits do people get from forests?
What will be an ideal response?
Which type of fire suppression system uses special extinguishing agents that leave little or no residue?