Coefficient of Performance (COP) Quiz

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What does the coefficient of performance (COP) express?

  • The ratio of energy supplied to energy consumed
  • The ratio of desired effect produced to the energy supplied (correct)
  • The efficiency of an engine in generating power
  • The total energy input of a refrigeration cycle

In the context of a heat pump, what does COP measure?

  • The cooling effect produced
  • The ratio of heating effect produced to the energy input (correct)
  • The energy loss during heating
  • The efficiency of the refrigeration cycle

What is the main difference between COP and the efficiency of an engine?

  • COP can be higher than unity, while engine efficiency cannot (correct)
  • Both COP and efficiency have the same definition
  • COP measures energy output only
  • COP directly indicates energy input

How is the actual coefficient of performance obtained during a test?

<p>By finding the ratio of actual N and W values (D)</p> Signup and view all the answers

What does the term 'relative COP' refer to?

<p>The ratio of actual COP to theoretical COP (B)</p> Signup and view all the answers

Flashcards are hidden until you start studying

More Like This

Q5-h
12 questions

Q5-h

LowRiskEpilogue avatar
LowRiskEpilogue
Coefficient of Restitution in Sports Equipment
17 questions
Use Quizgecko on...
Browser
Browser