All of the Following Statements About Hard Spots in the Rotor

question 16

Multiple Choice

All of the following statements about hard spots in the rotor are true EXCEPT:

• A)hard spots cause the rotor to expand.
• B)hard spots  appear as round, shiny, bluish areas on the friction surface.
• C)hard spots are difficult to machine, and may require special cutting bits for a brake lathe.
• D)most car manufacturers recommend replacing a rotor with hard spots.

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Definitions:

Proportional Differences

Refers to the comparison of ratios or fractions, highlighting the relative difference in size or magnitude between two or more quantities.

E. H. Weber

A pioneering psychologist and physician known for his work in the somatosensory system and Weber's Law, which relates to the perceived change in a stimulus to its initial intensity.

Absolute Differences

The minimum amount by which two sensory stimuli can differ for an individual to perceive them as different.

Gustav Fechner

A German philosopher, physicist, and experimental psychologist who founded psychophysics, studying the relationship between the physical properties of stimuli and the sensations they produce.