GATE ME 2020 Set 2 — Question 41
Go beyond PYQs with Success TrackerAI-powered personalised practice and doubt support. Unlimited practice on eligible plans; AI usage limits apply.MCQ+2 / -0.67EasyBrakes, Clutches & SpringsMachine ElementsMachine Design
Machine Design → Machine Elements → Brakes, Clutches & Springs
Last updated
Question
A helical spring has spring constant . If the wire diameter, spring diameter and the number of coils are all doubled then the spring constant of the new spring becomes
Correct answer
(B) k
Solution
The spring constant of a helical spring is given by the formula:where:
The new spring constant is:Therefore, the spring constant remains unchanged.
- is the shear modulus of the material,
- is the wire diameter,
- is the mean coil diameter,
- is the number of active coils.
The new spring constant is:Therefore, the spring constant remains unchanged.
Continue learning with Success Tracker
A step still unclear? Work through it with support
Use Success Tracker to ask about the reasoning, then try another GATE ME question to check your understanding.
AI-powered practice· Unlimited practice on eligible plans
- PYQs with solutions
- Attempt available previous-year questions, then compare your reasoning with the worked solution. Coverage varies by stream.
- Practice that adapts
- Choose a topic, work on weaker areas and bookmark questions to revisit. Your attempts feed your progress tracking.
- AI doubt support
- Ask follow-up questions about a step or concept while practising, instead of stopping at the final answer.
Unlimited practice is available on eligible plans. Free practice and AI usage have limits; check the current plan allowances before choosing.
This page stays readable without an account. AI responses can be wrong; check them against the solution and source material.
More questions on Machine Elements
2026 Set 1 Q19A closely coiled helical compression spring of mean coil diameter and wire diameter , is…2026 Set 1 Q21A rectangular plate is perfectly welded to a gusset plate with parallel fillet weld joints as shown…2026 Set 1 Q34A steel plate having yield strength of 550 MPa, is subjected to biaxial state of stress as…2025 Set 1 Q22The yield stress of a metal in uniaxial tension is MPa. According to von Mises yield…2025 Set 1 Q30A shaft carries a helical spur gear. Which one of the following bearings can NOT be used to support…