A Carnot Engine Operates Between Two Reservoirs with Unknown Temperatures $67 \%$

question 57

Multiple Choice

A Carnot engine operates between two reservoirs with unknown temperatures. If the Carnot engine operates at $67 \%$ efficiency, what is the ratio of the absolute temperatures of the reservoirs, T_c/T_h?

• A)0.33
• B)0.0012
• C)0.0025
• D)0.67

---

Definitions:

Discount

A reduction in the normal cost or price of a product or service, or the amount by which a bond is sold below its face value.

Amortization

The process of spreading the cost of an intangible asset over its useful life, thereby reflecting its consumption, depletion, or expense recognition over that period.

Book Value

The value of an asset as recorded on the balance sheet, calculated as the cost of the asset minus accumulated depreciation.

Bond Liability

The amount owed by an entity to bondholders, including the principal and any unpaid interest.