Occasionally Someone Claims to Have Built a Machine That Can

question 32

Multiple Choice

Occasionally someone claims to have built a machine that can run forever, producing as much energy as it consumes. This has always been disproved because it violates

• A) the first law of thermodynamics.
• B) the second law of thermodynamics.
• C) entropy.
• D) laws preventing any conversion between types of energy.
• E) coupled reaction equations.

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Definitions:

Installment

A method of paying for goods or services or the repayment of a loan in parts, typically on a monthly basis, over a period of time.

Cost Recovery

The process of regaining the value of an investment or expense, often through depreciation, amortization, or directly recouping expenses.

Gross Profit

The financial metric that represents the difference between revenue and the cost of goods sold (COGS) before deducting overhead, payroll, taxation, and interest payments.

Net Sales

The revenue a company earns from sales after subtracting the money refunded for returns, compensation for damaged or missing items, and any discounts offered.