Fan Maintenance Criterion Quiz
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Questions and Answers

How is the bearing seating in the housing checked?

  • By matching the color with Prussian blue (correct)
  • By measuring the vibration of the fan
  • By checking the noise level of the fan
  • By measuring the temperature of the housing

    • What action should be taken if the radial clearance of the bearing is less than the lower limit?

  • Measure the temperature of the bearing
  • Adjust the suction cone to get the required clearance
  • Scrap the bearing
  • Do scrapping and match by removing high spots on bearing spherical seating (correct)

    • How is the axial or thrust clearance of the bearing checked?

  • By using a dial gauge or laser alignment kit
  • By measuring the temperature of the bearing
  • By checking the color of the impeller
  • Using a taper gauge (correct)

    • What is used to check the lip clearance of the bearing?

    <p>Feeler gauge</p> Signup and view all the answers

    How is the alignment checked if the motor or impeller has been changed?

    <p>By using a dial gauge or laser alignment kit</p> Signup and view all the answers

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