Mechanical Engineering Basics Quiz
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Questions and Answers

Which of the following is NOT an application area of thermodynamics?

  • Refrigeration and air conditioning
  • Power generation
  • Chemical engineering
  • Structural engineering (correct)

    • What is the importance of dimensions and units in thermodynamics?

  • They ensure dimensional homogeneity in equations (correct)
  • They determine the state and equilibrium of a system
  • They help in converting between different temperature scales
  • They measure the density and specific gravity of a substance

    • Which of the following is true about a system in thermodynamics?

  • It can exchange energy but not matter with its surroundings (correct)
  • It can only exist in a gaseous state
  • It refers to a specific point in space
  • It is always in a state of equilibrium

    • What is the state postulate in thermodynamics?

    <p>It states that the state of a system can be described by its properties</p> Signup and view all the answers

    What is the purpose of a manometer in pressure measurement?

    <p>To measure the pressure difference between two points</p> Signup and view all the answers

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