Table 10-3
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​ -Refer to Table 10-3

question 134

Multiple Choice

Table 10-3
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$$\begin{array} { | c | c | c | c | } \hline \begin{array} { c } \text { Quantity } \\\text { (Units) }\end{array} & \begin{array} { c } \text { Private Value } \\\text { (Dollars) }\end{array} & \begin{array} { c } \text { Private Cost } \\\text { (Dollars) }\end{array} & \begin{array} { c } \text { External Benefit } \\\text { (Dollars) }\end{array} \\\hline 1 & 22 & 12 & 10 \\\hline 2 & 20 & 15 & 10 \\\hline 3 & 18 & 18 & 10 \\\hline 4 & 16 & 21 & 10 \\\hline 5 & 14 & 24 & 10 \\\hline 6 & 12 & 27 & 10 \\\hline\end{array}$$
-Refer to Table 10-3. The table represents a market in which

• A)there is no externality.
• B)there is a positive externality.
• C)there is a negative externality.
• D)The answer cannot be determined from inspection of the table.

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Definitions:

Pitch Angle

The angle between the helix of a thread or gear on a cylindrical shaft and an imaginary line perpendicular to the shaft's axis.

Pitch Cone

The imaginary cone that defines the pitch surface of conical gears or screw threads, where the common vertex of the gear teeth or threads would converge.

Cone Angle

The angle formed between the outer surfaces of a cone, measured at its widest part.

Bevel Gears

Gears designed with angled teeth so they can transmit motion between intersecting shafts, typically at a right angle.