An Inventor Tries to Sell You His New Heat Engine

question 21

Essay

An inventor tries to sell you his new heat engine that takes in 40 J of heat at 87°C on each cycle, expels 30 J at 27°C, and does 10 J of work. Would it be wise to invest in this engine? Back up your conclusion with numerical calculations.

---

Definitions:

Cash Budget

A cash budget is a financial plan that estimates cash inflows and outflows over a specific period, helping manage liquidity.

Long-Range Planning

The process of setting goals and developing strategies to achieve these objectives over an extended period.

Short-Term Goals

Objectives set by a business or individual that are intended to be achieved in a short period, typically less than one year.

Direct Labor Hours

The hours worked by employees directly involved in manufacturing a product or providing a service.