All of the Following Represent Clues to the Cause of a 2-

question 45

Multiple Choice

All of the following represent clues to the cause of a 2- meter high tsunami that struck Japan in 1700 EXCEPT:

• A) native American legends describe a quake and tsunami in the Pacific Northwest.
• B) large areas of drowned trees in the Pacific Northwest are covered with a thin sand layer.
• C) tree ring records from roots indicate temporary submergence of trees between 1699 and 1700.
• D) seismic records at that time indicate a massive quake in the Seattle area.

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Definitions:

Overall Length

The total length of an object measured from one end to the other.

Crown Height

The vertical distance between the top of a curved surface (like a road or a cam) and the chord (straight line) connecting the endpoints of the curve.

Whole Depth

In gear terminology, the total depth of a gear tooth space, from the top of the tooth to the bottom of the gullet.

Bevel Gears

Gears where the axes of the two shafts intersect and the tooth-bearing faces of the gears themselves are conically shaped.