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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?

KB (A) Signup and view all the answers

What material are the gears made of in this scenario?

Gr-2 steel (B) Signup and view all the answers

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

Ks (C) Signup and view all the answers

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

25° (A) Signup and view all the answers

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

6 (D) Signup and view all the answers

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

Steel Gr-2 (C) Signup and view all the answers

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

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

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

$\phi$ (phi) (D) Signup and view all the answers

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

$250 HB$ (D) Signup and view all the answers

What is the helix angle given in the problem?

20° (A) Signup and view all the answers

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

6 (D) Signup and view all the answers

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

Gr-2 (A) Signup and view all the answers

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

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

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

5 years (B) Signup and view all the answers

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

$mNg-i$ (D) Signup and view all the answers

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