Design of Helical Gear Based on AGMA Approach Quiz
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Questions and Answers

What is the helix angle for the given data?

  • 25°
  • 15°
  • 30°
  • 20° (correct)

    • What is the gear-quality index used in the calculation?

  • 6 (correct)
  • 5
  • 4
  • 7

    • How is tooth bending stress calculated in this context?

  • Using Ka factor
  • Using KB factor
  • Using KI factor
  • Using KT factor (correct)

    • Which factor is used to calculate surface stress on gears?

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

    What material are the gears made of in this scenario?

    <p>Gr-2 steel (B)</p> Signup and view all the answers

    Which factor accounts for the size of the gears in the calculations?

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

    What is the helix angle for the given gear design problem?

    <p>25° (A)</p> Signup and view all the answers

    What is the gear-quality index used in the design of the gears?

    <p>6 (D)</p> Signup and view all the answers

    In the gear design problem, which material is specified for the gears?

    <p>Steel Gr-2 (C)</p> Signup and view all the answers

    What is the formula used to calculate tooth bending stress in the design process?

    <p>$\frac{Wt \cdot Np}{pd \cdot F}$ (D)</p> Signup and view all the answers

    Which parameter is used to determine the surface stress in the gear design problem?

    <p>$\phi$ (phi) (D)</p> Signup and view all the answers

    What is the value of H, the material hardness specified for the gears in the design problem?

    <p>$250 HB$ (D)</p> Signup and view all the answers

    What is the helix angle given in the problem?

    <p>20° (A)</p> Signup and view all the answers

    What is the gear-quality index mentioned in the problem?

    <p>6 (D)</p> Signup and view all the answers

    What type of material are the gears made of in the problem?

    <p>Gr-2 (A)</p> Signup and view all the answers

    What is the formula for calculating tooth bending stress in gears?

    <p>$\sigma_b = \frac{2FT}{\pi d \cdot b \cdot Y}$ (C)</p> Signup and view all the answers

    How many years of service life are required for the gear system in the problem?

    <p>5 years (B)</p> Signup and view all the answers

    Which parameter is used to calculate surface stress for the pinion-idler and idler-gear mesh?

    <p>$mNg-i$ (D)</p> Signup and view all the answers

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