Jake Took a Severe Blow to the Head During Last

question 499

Multiple Choice

Jake took a severe blow to the head during last Saturday's hockey game. At the hospital, Jake had a CAT scan and along with finding out that he only suffered a minor concussion, Jake's doctor told him he had an unusually large brain for a man his size and age. Jake bragged about this fact at school because he believed this meant he was more intelligent than others, until Julie pointed out to him that

• A)scientists believe there is a negative correlation between size and intelligence
• B)women's brains are actually larger than men's brains
• C)the size of the brain is not as important as how efficiently it functions
• D)although men's brains are larger, their mean IQ scores are lower than women's

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Definitions:

Differential Pinions

Small gears within a differential that engage with the ring gear to allow for the difference in wheel speed on a vehicle when turning.

Spider

A component within a differential of a vehicle that allows for the distribution of power to the wheels, enabling them to rotate at different speeds.

Hypoid Gears

Gears in which the gear faces are non-parallel and non-intersecting, allowing for smoother and quieter operation, typically used in automotive rear axles.

EP Rated

Stands for Extreme Pressure Rated, indicating that a lubricant or oil has additives that provide protection under high pressure and load conditions.