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A helical compression spring is used to take the shock. The initial compression of the spring is 30 mm and it is further compressed by 50 mm while absorbing the shock. The spring is to absorb 250 J of energy during the procedure. The spring index will be taken as 6. The spring is made of patend and cold drawn steel wire with ultimate tensile strength of 1500 N/mm2 and modulus of rigidity of 81370 N/mm2 . The permissible shear stress for the spring wire could be taken as 30 % of the ultimate tensile strength. Design the spring.
Find out force on each member - Truss: A truss is as shown in the figure given below. Find out force on each member and the nature of it. Sol.: First we calculate sup
Eccentricity : This is distance between the axis of rotation and CG of mass. Unbalance : This is the product of mass and eccentricity. Balancing : This is
Illustrate six typical application of primary cells. (b) Illustrate six typical applications of secondary cells. (c) Illustrate the advantages of a fuel cell over a conventional
Ask question Prove maximum fluctuation of energy ?E=2ECS.
what is the importance of stress analysis in steels
Compute the centroidal moment of inertia: Compute the centroidal moment of inertia of a thin homogeneous bar AB of length l and having a mass of m kg Solution The mass
Consider the frictionless piston-cylinder set-up with a linear spring as is shown below. The cylinder has an internal cross-sectional area of AC = 0.1 m2. Distances y 1 and y 4
What is the working depth of a gear
INTRODUCTION In the morning session there was a discussion about what the teachers are going to do in this week. Later the professor has shown power point presentation on int
Explain about structural design of combined footing. Structural Design of Combined Footing The rectangular and trapezoidal combined footings are designed assuming uniform so
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