A Certain Engine Extracts 1300 J of Heat from a Hot

question 18

Multiple Choice

A certain engine extracts 1300 J of heat from a hot temperature reservoir and discharges 700 J of heat to a cold temperature reservoir.What is the efficiency of this engine?

• A) 46%
• B) 54%
• C) 86%
• D) 27%
• E) 13%

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Definitions:

Savannah

A coastal city in the state of Georgia, known for its well-preserved historic district, cobblestone squares, and significant role in the American Civil War.

Re-elected

Refers to the act of being elected again to a position or office, typically after an initial or preceding term.

Sherman And Sheridan

Two Union generals, William Tecumseh Sherman and Philip Sheridan, known for their strategies and roles in the American Civil War that contributed significantly to the defeat of the Confederate States.

1864

A significant year during the American Civil War, marked by notable events such as General Sherman's March to the Sea, which significantly impacted the Confederacy's ability to sustain the war.