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Fluid Pressure and Depth
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Fluid Pressure and Depth

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Questions and Answers

What does the Greek word 'Therme' mean?

  • Heat (correct)
  • Energy
  • Work
  • Power
  • What is the definition of energy according to the course notes?

  • Power of heat
  • Transformation of heat into power
  • Ability to cause changes (correct)
  • Amount of work done
  • What is the importance of thermodynamics in our daily lives?

  • It is encountered in many engineering systems and aspects of life (correct)
  • It is only applicable to living organisms
  • It is only applicable to engineering systems
  • It is only applicable to non-living things
  • What are the two ways to look at 'things' in thermodynamics?

    <p>Macroscopic and Microscopic</p> Signup and view all the answers

    What is the approach of classical thermodynamics?

    <p>Treats matter as a 'continuum'</p> Signup and view all the answers

    What is the term for the science that deals with energy?

    <p>Thermodynamics</p> Signup and view all the answers

    What is the term for a system that is not allowed to exchange energy with its surroundings?

    <p>Isolated System</p> Signup and view all the answers

    What is the unit of specific thermodynamic property, such as specific internal energy or specific enthalpy?

    <p>J/kg</p> Signup and view all the answers

    What is the term for a region of space or a quantity of matter that is being studied?

    <p>System</p> Signup and view all the answers

    What is the term for the characteristic of a system, such as its temperature or pressure?

    <p>Property</p> Signup and view all the answers

    What is the term for the boundary between a system and its surroundings?

    <p>Boundary</p> Signup and view all the answers

    What is the term for a system that allows for the exchange of mass and energy with its surroundings?

    <p>Open System</p> Signup and view all the answers

    What is the term used to describe the difference between absolute pressure and atmospheric pressure when the pressure is higher than atmospheric pressure?

    <p>Gage pressure</p> Signup and view all the answers

    What is the relationship between pressure and depth in a fluid at rest?

    <p>Pressure increases with increasing depth</p> Signup and view all the answers

    What is the formula to calculate the pressure as a function of depth?

    <p>P = ρgz</p> Signup and view all the answers

    What is the correct formula to find the absolute pressure P1 at a given point?

    <p>P1 = Patm + ρ1gz1 + ρ2gz2 + ρ3gz3</p> Signup and view all the answers

    What is the term used to describe the difference between atmospheric pressure and absolute pressure when the pressure is lower than atmospheric pressure?

    <p>Vacuum pressure</p> Signup and view all the answers

    What is the correct unit of pressure?

    <p>Pa</p> Signup and view all the answers

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