Question 8: A steel helical compression spring is to be loaded with 135N load and is to have a deflection of 9.4 mm. The shearing stress is to be 250MPa with a modulus of rigidity of 79.31GPa. The mean radius is to be 10 mm. i) Determine the actual diameter and the wire number of the spring using the standard tables. ii) The actual mean radius iii) The number of active coils iv) The volume of the spring material.

Question 8: A steel helical compression spring is to be loaded with 135N load and is to have a deflection of 9.4 mm. The shearing stress is to be 250MPa with a modulus of rigidity of 79.31GPa. The mean radius is to be 10 mm. i) Determine the actual diameter and the wire number of the spring using the standard tables. ii) The actual mean radius iii) The number of active coils iv) The volume of the spring material.

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

See similar textbooks

Similar questions

SHOW COMPLETE SOLUTION AND FINAL ANSWER INTO 3 DECIMAL PLACES 1. A spherical tank for storing gas under a pressure is 20 m in diameter and is made of steel 20 mm thick. The yield point of the material is 240 MPa. If a factor of safety of 2 is desired, what is the maximum permissible internal pressure that the tank can hold?
strength of material MENG222 Please solve the problem step by step and make your line clear and don't forget to show me your step
The load on a helical spring is 1282 lb and the corresponding deflection is to be 3.4 inches. Rigidity modulus is 11 x 106 psi and the maximum intensity of safe torsional stress is 60,000 psi. If the wire diameter and the mean diameter are 0.5 in. and 3 in., respectively. Determine the number of active coils. Don't round your answer to preferred size. Round your answer to 4 significant figures
(5) A gas engine valve spring is loaded to 35kgf when the valve is closed & 52kgf hen the valve is open. The valve lift is 8mm. The outside diameter is to be from 38mm~45mm, & the permissible stress is 413N/mm2 . Determine: (a) the wire & outside diameter; (b) the number of effective coils; (c) the free length when it is squared & ground.
Reduction of a simple distributed loading
A hard-drawn steel wire extension spring has a wire diameter of 4mm, an outside coil diameter of 28 mm, and initial tension of 1200 N is applied to the spring. The spring shows an extension of 85 mm. The approximate number of turns is 25. From the given information: Determine the physical parameters of the spring such as mean diameter, spring index, maximum shear stress, total number of turns, Wahl’s stress factor, free length of the spring, and pitch of the coil
Calculate the maximum shearing stress developed in a phosphor bronze spring having mean diameter of 150 mm and consisting of 24 turns of 10-mm diameter wire when the spring is stretched 180mm. Use A.M. Wahl's formula and G=42 GPa. Group of answer choices 24.336 MPa 36.689 MPa 48.778 MPa 12.233 MPa
mechanical engineering (Machine design) (1)Find the torque and power that a shaft with a diameter of d=50 mm can safely carry at n=200 rpm. (safe shear stress value will be taken as Sem-80N/mm² for the shaft material).
....A 150-mm diameter shaft supports a load of 12 kN. The shaft runs in a bearing whose length is 1.5 times the shaft diameter. Which of the following is the bearing pressure? Group of answer choices 0.127 MPa 0.296 MPa 0.356 MPa 0.170 MPa
given: - initial length of steel tube= 200mm - aluminum rod is 0.175 mm shorter than steel tube. - l=0.175 mm properties of materials - ALUMINUM: coefficient of linear expansion: 23x10-6 /C modulus of elasticitty= 70 GPa - STEEL Coeficient of linear expansion: 11x10-6 /C Modulus of elasticity: 200 GPa *NEGLECT SHEAR AND LATERAL DEFORMATIONS. REQUIRED: - which of the two members will have contact on the rigid switch first and at what temperature - axial stress that would develop on 1st member after the 2nd material fills in the gap safely. PLS. SHOW FULL SOLUTIONS WITH BRIEF EXPLANATIONS AND NECESSARY DIAGRAMS...
Question 1 1. A nylon string has a diameter of 2 mm, pulled by a force of 100 N. Determine the stress
Determine the diameter, in inches, of a circular steel rod that could withstand a tensile force of 95,000 pounds? If the steel rod was 3 feet long, how much would it elongate in inches? If the steel rod was replaced with a standard size timber (select structural grade Douglas fir) what size (nominal in inches) would it need to be? Assume the same direct axial stress in compression and tension.