A Pipe of 2

question 20

Multiple Choice

A pipe of 2.54 cm inside diameter has a constriction in which the inside diameter is 1.27 cm.If water is flowing through this pipe with a velocity of 1.22 m/s in the main section,the velocity in the constricted section is

• A)0.305 m/s
• B)0.610 m/s
• C)2.44 m/s
• D)1.22 m/s
• E)4.88 m/s

---

Definitions:

Parameters

In statistics, parameters are numerical characteristics that describe and summarize features of a population.

Student t Distribution

A probability distribution used in significance testing, especially useful with small sample sizes or unknown population variances.

Symmetrical

A shape or object that is exactly the same on both sides of a dividing line or around a center point.

Degrees of Freedom

Refers to the number of independent values or quantities that can vary in an analysis without violating any constraints.