Pneumatic Actuation System Basics
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Questions and Answers

Which term refers to the branch of engineering science related to gaseous pressure and flow?

  • Pneumatics (correct)
  • Hydraulics
  • Mechatronics
  • Aerodynamics
  • In pneumatics, how are gases typically assumed to be in terms of compressibility?

  • Perfectly elastic (correct)
  • Incompressible
  • Viscous
  • Rigid
  • Based on the text, which principle explains that increasing the speed of gas molecules hitting the walls of a container results in higher gas pressure?

  • Pascal's Principle
  • Charles's Law
  • Kinetic Theory of Gases (correct)
  • Boyle's Law
  • Which term describes the phenomenon where more gas molecules in a container lead to an increase in pressure?

    <p>Avogadro's Law (C)</p> Signup and view all the answers

    In pneumatics, what property of gases allows them to be compressed immediately?

    <p>Elasticity (C)</p> Signup and view all the answers

    What type of actuator is commonly used with process control valves?

    <p>Diaphragm actuator (A)</p> Signup and view all the answers

    How is the state of each cylinder indicated in sequential controls discussions?

    <p>By using positive and negative signs (B)</p> Signup and view all the answers

    What is the effect of changes in input pressure on a diaphragm actuator?

    <p>Movement of the central part of the diaphragm (B)</p> Signup and view all the answers

    When is a double seated valve body and plug used?

    <p>When fluid splits into two streams upon entering the valve (A)</p> Signup and view all the answers

    What is the purpose of a process control valve?

    <p>To control the rate of fluid flow (A)</p> Signup and view all the answers

    How can a linear cylinder be used to produce rotary movement?

    <p>With appropriate mechanical linkages (D)</p> Signup and view all the answers

    According to Boyle's Law, what happens to the volume of an enclosed gas when the pressure increases?

    <p>The volume decreases (C)</p> Signup and view all the answers

    Which principle states that the volume of a gas is proportional to its absolute temperature if pressure is constant?

    <p>Charles's Law (A)</p> Signup and view all the answers

    What happens to the volume of a gas if its absolute temperature is increased at constant pressure, according to Charles's Law?

    <p>The volume increases (C)</p> Signup and view all the answers

    In a hydraulic system, what happens to the liquid as the temperature rises?

    <p>It expands due to increased pressure (B)</p> Signup and view all the answers

    Which law states that pressure on a confined fluid is transmitted undiminished in every direction?

    <p>Pascal’s Law (D)</p> Signup and view all the answers

    What is the term used when control pressures are applied to each side of the piston in a cylinder?

    <p>Double acting (C)</p> Signup and view all the answers

    'Forces acting on each piston in a hydraulic system are directly proportional to what?'

    <p>Pressure (B)</p> Signup and view all the answers

    'What type of valve is employed in pneumatic and hydraulic systems to direct fluid flow?'

    <p>Spool valve (C)</p> Signup and view all the answers

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