A Gear of 12 Inches (305 Mm)in Diameter Is Driving

question 38

Multiple Choice

A gear of 12 inches (305 mm) in diameter is driving a second of 24 inches (610 mm) in diameter.Which of the following will result from the driven gear?

• A) speed increase only
• B) torque reduction,increased speed
• C) increased torque,reduced speed
• D) torque increase only

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Definitions:

Coefficient Of Correlation

A numerical measure that indicates the strength and direction of a linear relationship between two variables.

Confidence Interval Estimate

A range of values, derived from sample data, that is likely to contain the value of an unknown population parameter, with a specified level of confidence.

Prediction Interval

A type of interval estimate of a predicted value of a variable based on a particular set of data, encompassing the uncertainty of the prediction.

Expected Value

The long-run average value of repetitions of the experiment it represents, in probability and statistics.