The Phenomenon of the Precession of the Equinoxes Was First

question 331

Multiple Choice

The phenomenon of the precession of the equinoxes was first reported by

• A) Hipparchus, 2nd century B.C.
• B) Ptolemy, 2nd century A.D.
• C) Newton, 17th century.
• D) Herschel, 18th century.

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Definitions:

Oscillating Bolster

A structural component on rail vehicles or trailers that supports the load and allows for pivoting or oscillation to accommodate uneven terrain.

High Rigidity

A characteristic of materials or structures that resist deformation under load, ensuring stability and durability.

Monocoque

Frame design in which all the shell components form the frame; many automobiles and most van trailers use a monocoque principle. This means that the van floor, roof, bulkhead, doors, and sidewalls collectively compose the frame assembly. Also known as unibody design.

Semi-Oscillating Fifth Wheels

A type of fifth wheel coupling system that allows limited lateral rotation around a vertical axis, improving maneuverability for the connected trailer.