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For a helical spring, spring index is
- a)the ratio of the mean coil diameter to the pitch of helix
- b)the ratio of the wire diameter to the pitch of helix
- c)the difference between the mean coil diameter and the wire diameter
- d)the ratio of mean coil diameter to wire diameter
Correct answer is option 'D'. Can you explain this answer?
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Spring Index in Helical Springs:
Spring index in helical springs is defined as the ratio of the mean coil diameter to the wire diameter. It is an important parameter that influences the behavior and performance of the spring.
Explanation:
- Mean Coil Diameter: The mean coil diameter is the average diameter of the coil and is calculated by adding the inner diameter and outer diameter of the coil and dividing by 2.
- Wire Diameter: The wire diameter is the diameter of the wire used to form the coil of the spring.
- Spring Index Calculation: To calculate the spring index, you divide the mean coil diameter by the wire diameter. This ratio gives an indication of how tightly wound the spring is. A higher spring index indicates a tighter coil, while a lower spring index indicates a looser coil.
- Significance: The spring index plays a significant role in determining the stress distribution, fatigue life, and spring rate of the helical spring. It affects the amount of stress the spring can withstand before permanent deformation and also influences the stiffness of the spring.
- Optimal Spring Index: The optimal spring index varies depending on the application and material of the spring. It is essential to consider factors such as load requirements, space constraints, and material properties when determining the appropriate spring index for a specific application.
Therefore, the correct definition of spring index for a helical spring is the ratio of the mean coil diameter to the wire diameter.
Spring index in helical springs is defined as the ratio of the mean coil diameter to the wire diameter. It is an important parameter that influences the behavior and performance of the spring.
Explanation:
- Mean Coil Diameter: The mean coil diameter is the average diameter of the coil and is calculated by adding the inner diameter and outer diameter of the coil and dividing by 2.
- Wire Diameter: The wire diameter is the diameter of the wire used to form the coil of the spring.
- Spring Index Calculation: To calculate the spring index, you divide the mean coil diameter by the wire diameter. This ratio gives an indication of how tightly wound the spring is. A higher spring index indicates a tighter coil, while a lower spring index indicates a looser coil.
- Significance: The spring index plays a significant role in determining the stress distribution, fatigue life, and spring rate of the helical spring. It affects the amount of stress the spring can withstand before permanent deformation and also influences the stiffness of the spring.
- Optimal Spring Index: The optimal spring index varies depending on the application and material of the spring. It is essential to consider factors such as load requirements, space constraints, and material properties when determining the appropriate spring index for a specific application.
Therefore, the correct definition of spring index for a helical spring is the ratio of the mean coil diameter to the wire diameter.
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For a helical spring, spring index isa) the ratio of the mean coil diameter to the pitch of helixb) the ratio of the wire diameter to the pitch of helixc) the difference between the mean coil diameter and the wire diameterd) the ratio of mean coil diameter to wire diameterCorrect answer is option 'D'. Can you explain this answer?
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For a helical spring, spring index isa) the ratio of the mean coil diameter to the pitch of helixb) the ratio of the wire diameter to the pitch of helixc) the difference between the mean coil diameter and the wire diameterd) the ratio of mean coil diameter to wire diameterCorrect answer is option 'D'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about For a helical spring, spring index isa) the ratio of the mean coil diameter to the pitch of helixb) the ratio of the wire diameter to the pitch of helixc) the difference between the mean coil diameter and the wire diameterd) the ratio of mean coil diameter to wire diameterCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For a helical spring, spring index isa) the ratio of the mean coil diameter to the pitch of helixb) the ratio of the wire diameter to the pitch of helixc) the difference between the mean coil diameter and the wire diameterd) the ratio of mean coil diameter to wire diameterCorrect answer is option 'D'. Can you explain this answer?.
For a helical spring, spring index isa) the ratio of the mean coil diameter to the pitch of helixb) the ratio of the wire diameter to the pitch of helixc) the difference between the mean coil diameter and the wire diameterd) the ratio of mean coil diameter to wire diameterCorrect answer is option 'D'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about For a helical spring, spring index isa) the ratio of the mean coil diameter to the pitch of helixb) the ratio of the wire diameter to the pitch of helixc) the difference between the mean coil diameter and the wire diameterd) the ratio of mean coil diameter to wire diameterCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For a helical spring, spring index isa) the ratio of the mean coil diameter to the pitch of helixb) the ratio of the wire diameter to the pitch of helixc) the difference between the mean coil diameter and the wire diameterd) the ratio of mean coil diameter to wire diameterCorrect answer is option 'D'. Can you explain this answer?.
Solutions for For a helical spring, spring index isa) the ratio of the mean coil diameter to the pitch of helixb) the ratio of the wire diameter to the pitch of helixc) the difference between the mean coil diameter and the wire diameterd) the ratio of mean coil diameter to wire diameterCorrect answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Mechanical Engineering.
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For a helical spring, spring index isa) the ratio of the mean coil diameter to the pitch of helixb) the ratio of the wire diameter to the pitch of helixc) the difference between the mean coil diameter and the wire diameterd) the ratio of mean coil diameter to wire diameterCorrect answer is option 'D'. Can you explain this answer?, a detailed solution for For a helical spring, spring index isa) the ratio of the mean coil diameter to the pitch of helixb) the ratio of the wire diameter to the pitch of helixc) the difference between the mean coil diameter and the wire diameterd) the ratio of mean coil diameter to wire diameterCorrect answer is option 'D'. Can you explain this answer? has been provided alongside types of For a helical spring, spring index isa) the ratio of the mean coil diameter to the pitch of helixb) the ratio of the wire diameter to the pitch of helixc) the difference between the mean coil diameter and the wire diameterd) the ratio of mean coil diameter to wire diameterCorrect answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
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