Introduction to Gears
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Questions and Answers

What is the main purpose of using a worm and worm gear?

  • To increase the angular velocity of non-intersecting shafts
  • To provide a smooth and silent action between shafts
  • To maintain a constant angular velocity of non-intersecting shafts
  • To decrease the angular velocity of non-intersecting shafts (correct)

    • How many teeth does a worm typically have?

  • Exactly four
  • Less than one
  • One to four (correct)
  • More than four

    • What type of contact is there between the teeth in a double-throated worm gear?

  • Linear contact
  • Area contact (correct)
  • No contact
  • Point contact

    • Which type of gear is larger and stronger than a spiral bevel pinion?

    <p>Hypoid pinion</p> Signup and view all the answers

    What is the primary difference between a worm gear and a true helical gear?

    <p>The mating gear</p> Signup and view all the answers

    What is the sliding velocity of a worm gear compared to other types of gears?

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

    What is the primary advantage of using hypoid gears over straight-tooth bevel gears?

    <p>They have a larger number of teeth in contact</p> Signup and view all the answers

    What type of contact is there between the teeth in a non-throated worm gear?

    <p>Point contact</p> Signup and view all the answers

    What is the primary difference between a hypoid gear and a spiral gear?

    <p>The angle of the shafts</p> Signup and view all the answers

    What is the main advantage of using a double-throated worm gear over a single-throated worm gear?

    <p>It has a larger number of teeth in contact</p> Signup and view all the answers

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