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Grinding Wheels Version A

second_second101 12 questions

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Questions in this quiz (12)

  1. 1The Maximum safe operating speed (rpm) of a new grinding wheel is printed on the side of the wheel. Which of the following is true:
    1. AYou can exceed the operating speed by 20% providing the machine is in good condition
    2. BYou can exceed the operating speed by 50% providing the machine is in good condition
    3. CYou can exceed the operating speed by 30% providing the machine is in good condition
    4. DYou cannot exceed the operating speed even if the machine is in good condition
  2. 2Name two purposes of the "blotter" mounted on each side of the grinding wheel.
    1. ATwo provide a cushion between the wheel and the mounting flanges, and to soak up any excess coolant that may become trapped between the wheel flanges and the wheel
    2. BTo provide a cushion between the wheel and the mounting flanges, and allow the wheel to be identified.
    3. CTo soak up all excess coolant to prolong wheel life.
    4. DTo allow the grinding wheel to be identified and reduce chatter.
  3. 3How much of the grinding wheel is covered by the guarding system?
    1. AAs little of the wheel as possible allowing easier time working on larger objects
    2. BAs much as possible, leaving only the necessary amount exposed to do the required operation
    3. CA maximum of 3/4 of the wheel
    4. DA maximum of 1/2 of the wheel
  4. 4What happens when you allow cutting fluid to run on a stationary grinding wheel
    1. AThe wheel will fall apart as the bonding material dissolves
    2. BThe wheel will become imbalanced and could explode
    3. CThe wheel will become dull more quickly
    4. DThe wheel will spin at a slower speed.
  5. 5How are grinding wheels stored
    1. AIn a damp evironment
    2. BOn their side with a weight on them to keep them flat.
    3. CIn a storage rack or flat on a shelf and not subject to impact
    4. DIn a very cold place to keep the wheel grains fresh
  6. 6According to the Ontario Occupational Health and Safety Act and Regulations, what is the maximum gap allowed between the work rest and the grinding wheel on a pedestal or bench grinder?
    1. A5/16"
    2. B3/16"
    3. C1/8"
    4. D1/32"
  7. 7Which of the following is an abrasive commonly used in grinding wheels?
    1. ASodium Chloride
    2. BSulfur Dioxide
    3. CAluminum Oxide
    4. DAmmonium Dioxide
  8. 8Which of the following is a trade name for a Cubic Boron Nitride abrasive?
    1. ADiaxanon
    2. BBorazon
    3. CHaleon
    4. DCromax
  9. 9What material is commonly ground with a silicon carbide grinding wheel?
    1. AHardened Steels
    2. BSoftened Steel
    3. CFerrous Materials
    4. DNon-ferrous metals
  10. 10What material is commonly ground with a diamond abrasive?
    1. ACemented Carbide
    2. BHardened Steel
    3. CPlastics
    4. DBrass

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Quiz on Grinding Wheels Version A, created by second_second101 on 16/03/2015.
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