Two Ideal Carnot Heat Engines Have the Same Efficiency

question 14

Multiple Choice

Two ideal Carnot heat engines have the same efficiency.One operates between 5.0 × 10² K and 3.0 × 10² K,and the other between 4.0 × 10² K and some lower temperature.What is the lower temperature?

• A)200 K
• B)220 K
• C)240 K
• D)260 K
• E)280 K

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Definitions:

Consignment

A process where goods are sent by their owner to an agent for the purpose of sale, storage, or shipment.

FOB Destination

A shipping term indicating that the seller bears all costs and risks until the goods are delivered to the buyer's location.

Weighted Average

A calculation that takes into account the varying degrees of importance of the numbers in a data set, giving weight to some data points more than others.

Gross Profit

The financial metric calculated by subtracting the cost of goods sold from total sales revenue.