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BARC — free MCQ practice

Choose from 21 questions across 1 subjects and 3 topics. Open any question for its answer and worked solution, or keep learning through bite-sized lessons and reviews with Quill.

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BARC subjects

Physics (21)

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Engineering ServicesPhysicsSecond Law of Thermodynamics

Try a BARC question

A process can only be reversible if every step keeps the system at equilibrium. That requirement is:Read the answer and worked solution →A reversible process is best described as:Read the answer and worked solution →In reality, almost all real processes are:Read the answer and worked solution →The sign of an irreversible process is the presence of a finite:Read the answer and worked solution →

How to practise

  1. Choose a BARC question and try to work out your answer.
  2. Open the question to check the correct answer and read its worked solution.
  3. Continue in the app for bite-sized lessons, explanations and review with Quill. You can start without creating an account.