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A tensile test was performed on a specimen with a circular cross section. The diameter was measured to be 0.910 inch. Two marks were made along the length of the specimen and were measured to be 2.900 inches apart. This distance is defined as the gage length, and all length measurements were made between the two marks. The specimen was loaded to failure. Fracture occurred at a load of 23,000 pounds. The specimen was then reassembled, and the diameter and gage length were measured to be 0.428 inch and 3.086 inches. Determine the reduction in cross-sectional area as a percentage.

There are ____________________ elements, 92 of which are natural.

___ electrification occurs any time two objects with different levels of charge make physical contact.

A desk is considered a _______ load.

The professor of this course will respond to student inquiries within 24-48 hours on weekdays and over weekends as well (if possible).  

A(n) ___ is a material that has very high resistance to the flow of electrons.

The ___ is used to define power.

In LRFD, the load factor for the dead load in load combination 2 is ____.

SHOW YOUR BLANK SCRATCH PAPER Show the front and back sides of the BLANK scratch paper for at least 5 seconds each.

What is the effective hole diameter to accommodate a 1/2 in. bolt? Use oversize hole sizing.