Water Flowing Through a Pipe Suddenly Comes to a Section

question 10

Multiple Choice

Water flowing through a pipe suddenly comes to a section of pipe where the pipe diameter decreases to 86% of its previous value. If the speed of the water in the larger section of the pipe was 36m/s, what is its speed in this smaller section?

• A) 49 m/s
• B) 42 m/s
• C) 31 m/s
• D) 27 m/s

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Definitions:

Assignable Causes

Specific, identifiable factors leading to variations in a process or system, as opposed to random variations.

Variation

The degree to which data points in a statistical distribution or dataset differ from each other and from the mean of the set.

Specification Limits

Pre-determined upper and lower bounds within which a product or process's performance is considered acceptable.

Standard Deviations

An indicator of the degree of spread or variability in a collection of data points, showing how much the values differ from the average.