Twelve Equally Spaced Holes Must Be Drilled on a 13

question 10

Multiple Choice

Twelve equally spaced holes must be drilled on a 13.700-in.-diameter bolt circle. (See the illustration.) What is the straight-line center-to-center distance between two adjacent holes? Round your answer to the appropriate number of significant digits.

• A) 4.3458 in.
• B) 3.5458 in.
• C) 4.1458 in.
• D) 5.5458 in.
• E) 0.8458 in.

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Definitions:

Bone Conduction

The transmission of sound waves to the inner ear through the bones of the skull, bypassing the outer and middle ear.

Auditory Canal

The tube that runs from the outer ear to the middle ear, transmitting sound waves.

Earwax

A substance secreted in the ear canal that protects and lubricates the ear.

HD

High Definition; a term commonly used to describe the resolution of visual content that has a higher resolution than standard definition.