An Inventor Develops a Stationary Cycling Device by Which an Individual,while

question 13

Multiple Choice

An inventor develops a stationary cycling device by which an individual,while pedaling,can convert all of the energy expended into heat for warming water.How much mechanical energy is required to increase the temperature of 300 g of water (enough for 1 cup of coffee) from 20 $\degree$ C to 95 $\degree$ C? (1 cal = 4.186 J,the specific heat of water is 4 186 J/kg* $\degree$ C)

• A)94 000 J
• B)22 000 J
• C)5 400 J
• D)14 J

---

Definitions:

Direct Labor

The cost of labor directly involved in the manufacture of products, such as wages paid to workers on the assembly line.

Manufacturing Overhead

All indirect costs associated with the production process, including utilities, depreciation, and salaries of non-direct labor.

Direct Labor

Direct labor refers to the wages paid to employees who are directly involved in the production of goods or services.

Direct Materials

Raw materials that are directly consumed in the manufacturing process of a product and are easily traceable to it.