Internal Energy Change and Energy Transfer in Power Cycles Quiz

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Questions and Answers

Which of the following cycles consists of two reversible isotherms and two reversible isochores?

  • Rankine cycle
  • Carnot cycle
  • Stirling cycle (correct)
  • Ericsson cycle

Which cycle consists of two reversible isothermal processes and two reversible isobaric processes?

  • Ericsson cycle (correct)
  • Rankine cycle
  • Stirling cycle
  • Carnot cycle

Which of the following thermodynamic cycles has the highest efficiency under the same conditions?

  • Carnot cycle
  • Stirling cycle
  • Ericsson cycle
  • All of the above have the same efficiency (correct)

What is the correct formula for the net work done by a reciprocating engine?

<p>Wnet = mean effective pressure × displacement volume (C)</p> Signup and view all the answers

What is the reason that an internal combustion engine does not complete a thermodynamic cycle?

<p>All of the above (D)</p> Signup and view all the answers

Which of the following is a non-cyclic heat engine?

<p>None of the above (D)</p> Signup and view all the answers

What is the name of the cycle that consists of two reversible isothermal processes and two reversible isobaric processes?

<p>Ericsson cycle (D)</p> Signup and view all the answers

Which of the following cycles has the same maximum theoretical efficiency under the same temperature conditions?

<p>All of the above (D)</p> Signup and view all the answers

What is the formula for the net work done by a reciprocating engine?

<p>Wnet = mean effective pressure × displacement volume (C)</p> Signup and view all the answers

Why does an internal combustion engine not complete a thermodynamic cycle?

<p>All of the above (D)</p> Signup and view all the answers

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