Mechanical Engineering: Power Transmission Systems Quiz
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Questions and Answers

What is the function of the swivel table in the drilling machine?

  • To adjust the speed of the spindle
  • To move up and down by rotational motion (correct)
  • To convert rotational motion into linear motion
  • To hold the drill bit in place
  • How is the power transmission system in the drilling machine explained?

  • By using gears and chains
  • Involving a motor, stepped pulley, V-belt, and spindle (correct)
  • Using a hydraulic system
  • Through a screw mechanism
  • Which component is responsible for holding the drill bit in place in the drilling machine?

  • Stepped pulley
  • Chuck (correct)
  • Hand wheel
  • Column
  • What is the role of the rack and pinion mechanism in the drilling machine?

    <p>To convert rotational motion into linear motion</p> Signup and view all the answers

    How does the spindle of the drilling machine move up and down to provide feed to the work?

    <p>By using a hand-wheel that rotates the spindle vertically</p> Signup and view all the answers

    Why is a V-belt used instead of a flat belt in the power transmission system of a drilling machine?

    <p>To increase power efficiency</p> Signup and view all the answers

    What is the purpose of grinding in high-precision grinding machines?

    <p>To remove a very small amount of the workpiece surface per pass</p> Signup and view all the answers

    What is the primary function of the grinding ball mill in the grinding process?

    <p>Utilizing hollow balls with grinding media to grind materials</p> Signup and view all the answers

    Why is grinding necessary in manufacturing processes?

    <p>To remove excessive material</p> Signup and view all the answers

    What determines the type of grinding media used in a grinding ball mill?

    <p>The material being ground and other relevant factors</p> Signup and view all the answers

    In high-precision grinding machines, why is it possible to achieve flatness tolerances of less than ±0.0001 in. on a steel surface?

    <p>With the capability of grinding to produce such flatness tolerances</p> Signup and view all the answers

    'The fall of the grinding media is what causes the material to be ground.' What does this statement suggest about the role of grinding media in a grinding ball mill?

    <p>It impacts the speed at which materials are ground</p> Signup and view all the answers

    What is the primary function of a lathe in metalworking?

    <p>To remove unwanted material from a rotating workpiece</p> Signup and view all the answers

    Which component of the center lathe machine holds the workpiece?

    <p>Chuck or faceplate</p> Signup and view all the answers

    What is the purpose of the column in a center lathe?

    <p>To support the tool post and guide the tool</p> Signup and view all the answers

    How does the power transmission system in a center lathe work?

    <p>It rotates the workpiece and keeps the tool stationary</p> Signup and view all the answers

    What is the function of the swivel table mechanism in a center lathe?

    <p>To adjust the angle of the workpiece</p> Signup and view all the answers

    Which of the following machining operations can be performed on a center lathe?

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

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