Practice Stresses and Deflection in Helical Springs - 6 | Torsion and Twist | Mechanics of Deformable Solids
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6 - Stresses and Deflection in Helical Springs

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the wire diameter if tp = 5 mm in a helical spring?

πŸ’‘ Hint: Review the definitions of parameters used in shear stress calculation.

Question 2

Easy

If the mean coil diameter of a spring is 100 mm, what is its role?

πŸ’‘ Hint: Consider the equation for shear stress.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

The formula for shear stress in helical springs is Ο„ = 8PD/(Ο€dΒ³). What does P represent?

  • Mean coil diameter
  • Axial load
  • Wire diameter

πŸ’‘ Hint: Think about the forces applied to the spring.

Question 2

True or False: The number of active coils affects the deflection of a helical spring.

  • True
  • False

πŸ’‘ Hint: Consider how springs work under load.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A mechanical design requires a helical spring to withstand a maximum load of 600 N with a permissible shear stress of 350 MPa. Using a wire diameter of 8 mm, calculate the mean coil diameter needed to ensure safety.

πŸ’‘ Hint: Don't forget to convert units correctly.

Question 2

You have a spring with 15 active coils, 3 mm wire diameter, and you want to calculate how much deflection it will undergo under a load of 200 N, with a shear modulus of 90 GPa. What is the deflection?

πŸ’‘ Hint: Ensure that all measurements are in metric units.

Challenge and get performance evaluation