The Temperature Gradient in a Wall Is 80^oC/cm, and the Thermal

question 23

Multiple Choice

The temperature gradient in a wall is 80^oC/cm, and the thermal conductivity of this wall is 4.0 × 10^-3 cal/s · cm · C^o. The amount of heat conducted per minute per square centimeter through this wall is approximately

• A) 19 cal.
• B) 27 cal.
• C) 35 cal.
• D) 42 cal.
• E) 0.42 kcal.

---

Definitions:

Total Revenue

The amount a firm receives for the sale of its output.

Nash Equilibrium

A concept within game theory where no participant can gain by a unilateral change of strategy if the strategies of the others remain unchanged.

Profit-Maximizing

The process by which a firm determines the price and output level that returns the maximum profit.

Marginal Cost

The increase or decrease in the total cost that arises from producing one additional unit of a product.