That Portion of the Incomplete Thread That Is Not Fully

question 102

Multiple Choice

That portion of the incomplete thread that is not fully formed at root or at crest and root, and is produced by the chamfer at the starting end of the thread forming tool.

• A) Vanish thread
• B) partial thread
• C) washout thread
• D) thread runout
• E) all of the above

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Definitions:

Seafloor Spreading

A geologic process in which tectonic plates move apart from each other, allowing magma to rise and solidify as new oceanic crust.

Volcanic Mountain Belt

A volcanic mountain belt refers to a large-scale geographic area dominated by a series of volcanoes, often associated with plate boundaries, where subduction, rifting, or hotspots activities facilitate magma ascent to the surface.

Continental Drift

Continental drift is the historical scientific theory that continents have moved across the Earth's surface over geologic time, a precursor to the theory of plate tectonics.

South Atlantic Drift

A significant ocean current in the southern Atlantic Ocean that circulates warm water and influences climate patterns in the surrounding regions.