The Coefficient of Expansion of a Certain Steel Is 0 $\degree$

question 54

Multiple Choice

The coefficient of expansion of a certain steel is 0.000012 per C $\degree$ . The coefficient of volume expansion, in (C $\degree$ ) ^-1, is:

• A) (0.000012)³
• B) (4 \(\pi\)/3)(0.000012)³
• C) 3 * 0.000012
• D) 0.000012
• E) depends on the shape of the volume to which it will be applied

---

Definitions:

Margin of Safety

The difference between actual or projected sales and the break-even point, indicating the amount by which sales can drop before reaching a loss.

Break-even Point

The point at which total cost and total revenue are equal, resulting in neither profit nor loss.

Break-even Sales

The amount of revenue required to cover total costs, both fixed and variable, at which point a business neither makes a profit nor suffers a loss.

Variable Cost

Overheads that move in sync with the volume of manufacturing or sales, covering labor and material costs.