If Twenty Inches of Vacuum Is Applied to the Fuel

question 18

Multiple Choice

If twenty inches of vacuum is applied to the fuel pressure regulator while the fuel pump is running, the fuel pressure should _____.

• A) increase
• B) decrease
• C) hold steady
• D) none of these answers is correct

---

Definitions:

Marginal Profit

The additional profit that is generated by increasing product sales by one unit.

Profit-Maximizing Level

The output level at which a firm achieves the highest possible profit, where marginal cost equals marginal revenue.

Competitive Firm

A business entity in a market where it must take the prevailing market price as given, due to its inability to influence prices through its own actions.

Market Price

The present cost at which a product or service is available for purchase or sale in the market.