Four Children Immigrate to the United States

question 149

Multiple Choice

Four children immigrate to the United States. Which one will have the greatest success at learning to speak English fluently?

• A)a nine-year-old"
• B)a twelve-year-old"
• C)a fifteen-year-old"
• D)a six-year-old"

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Definitions:

Diametral Pitch

A value describing the ratio of the number of teeth of a gear to the diameter of the pitch circle, used in the design and specification of gears.

Circumference

The perimeter or boundary line of a circle, often measured to understand the size or to describe the distance around it.

Bevel Gear

A type of gear where the axes of the two shafts intersect and the tooth-bearing faces of the gears themselves are conically shaped, often used in differential drives.

Addendum

The radial distance from the pitch circle of a gear to the top of the teeth.