A Heat Engine Having an Efficiency of 0

question 5

Multiple Choice

A heat engine having an efficiency of 0.20 takes in 2000 J of energy from the hot reservoir in one cycle. In the same time, how much work will it perform?

• A) 0 J
• B) 400 J
• C) 1000 J
• D) 120 J
• E) 33,333 J

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Definitions:

Standard Deviation

A measure of the amount of variability or dispersion of a set of data values, indicating how much variation there is from the average (mean).

Range

The difference between the highest and lowest values in a data set.

Score

A numerical expression representing a particular value or quantity, especially as assigned during or after an evaluation or test.

Variability

The degree to which data points in a dataset differ from each other and from their mean, showing the spread or dispersion within the set.