Schedule ____ for a pipe is often considered a standard strength.
A. 10
B. 40
C. 80
D. 180
Answer: B
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The volume of a sphere is V = 4/3?r³.
(a) Prepare a table of volume versus radius allowing the radius to vary from 2.0 to 10.0 cm in 1 cm increments. (b) Plot a graph on log-log paper showing the relation of volume to radius using the values from the table in part (a) with radius as the independent variable. (c) Verify the equation given above by the method of selected points. (d) Repeat parts (b) and (c) using computer-assisted methods.
Jeffersonian Republicans favored a political system in which
A. the central government possessed the bulk of the power. B. cities were the primary focus of political activity. C. a large standing army ensured peace. D. the states retained the majority of political power. E. manufacturing interests dominated.
Which of these is an example of analog device?
A) speedometer B) electric tachometer C) on-board navigational system D) Both A and B
How does pressure affect boiling point?
A) Lower pressure decreases the boiling point of a substance. B) Higher pressure decreases the boiling point of a substance. C) Lower pressure increases the boiling point of a substance. D) Pressure has no effect on the boiling point of a substance.