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(a) What is spring ? Briefly define the type of spring. Also explain the formula of stress for flat spring.7 (b) A plat spiral spring is made of 6 mm wide.and 2.5 mm thick wire andis 250 cm long. Assuming the maximum stress of 840 MPa to occur at the point of greater bending, calculate the torque; the work stored and the number of turns to wind up to spring.E 210 GPa. ·

(a) What is spring ? Briefly define the type of spring. Also explain the formula of stress for flat spring.7 (b) A plat spiral spring is made of 6 mm wide.and 2.5 mm thick wire andis 250 cm long. Assuming the maximum stress of 840 MPa to occur at the point of greater bending, calculate the torque; the work stored and the number of turns to wind up to spring.E 210 GPa. ·

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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(a) What is spring ? Briefly define the type of spring. Also explain the formula of stress for flat spring.7 (b) A plat spiral spring is made of 6 mm wido.and 2.5 mm thick wire andis 250 cm long. Assuming the maximum stress of 840 MPa to occur at the point of greater bending, calculate the torque; the work stored and the number of turns to wind up to spring.E 210 GPa. . (a) Define the state of strain at a point. Also explain the stress in variants. (b) Briefly,define any tyo of the following: (i) Sensitivity factor (ii) .. Fatigue of material Endurance lim k (iii) Principal stress
Transcribed Image Text:(a) What is spring ? Briefly define the type of spring. Also explain the formula of stress for flat spring.7 (b) A plat spiral spring is made of 6 mm wido.and 2.5 mm thick wire andis 250 cm long. Assuming the maximum stress of 840 MPa to occur at the point of greater bending, calculate the torque; the work stored and the number of turns to wind up to spring.E 210 GPa. . (a) Define the state of strain at a point. Also explain the stress in variants. (b) Briefly,define any tyo of the following: (i) Sensitivity factor (ii) .. Fatigue of material Endurance lim k (iii) Principal stress
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