Evaluate elongation of bar of varying cross section, Mechanical Engineering

Assignment Help:

Evaluate elongation of bar of varying cross section:

How you evaluate elongation of bar of varying cross section:?

Sol.: Take bar made up of different lengths and which is having different cross sections as shown in the figure given below.

720_Evaluate elongation of bar of varying cross section.png

For this type of bar, the following conditions apply:

(i) Each section is subjected to same external pull or push

(ii) Total change in length is equal to sum of changes of individual lengths

That is:

P1 = P2  = P3  = P as       H = 0  &       V = 0 and

1914_Evaluate elongation of bar of varying cross section1.png

If bar segments are made of same material, then in that particular case

521_Evaluate elongation of bar of varying cross section2.png

 


Related Discussions:- Evaluate elongation of bar of varying cross section

Theory of machine, Kleines contruction for slider mechanism

Kleines contruction for slider mechanism

Compare rankine cycle with carnot cycle - thermodynamics, Compare Rankine c...

Compare Rankine cycle with Carnot cycle: Sol.: Rankine cycle without superheat: 1 - A - 2 - 3 - 4 - 1. Rankine cycle with superheat : 1 - A - 2 - 2′ -3′ - 4 - 1.

Bolting procedures for equipment, Before installing a bolt, stud or nut, th...

Before installing a bolt, stud or nut, threads shall be examined to ensure that there are no incompletely cut threads in the engagement zone (both internal and external) or burns,

Shear moment, Calculate and draw the Shear force and Bending moment diagram...

Calculate and draw the Shear force and Bending moment diagrams for the loaded beam and determine the maximum moment M and its location x from left end.

Explain the working of die casting, Q. Explain the working of Die Casting? ...

Q. Explain the working of Die Casting? In the die casting process the, mould used for a casting is permanent called a die casting. it is shown in figure. It is thus quite diffe

Parts of wilson hartnell governor, what are the parts of wilson hartnell go...

what are the parts of wilson hartnell governor with their designation?

What is the pull required on brake arm to stop wheel, A simple band brake p...

A simple band brake performs on a drum of 600mm in diameter that is running at 200 r.p.m. The coefficient of friction is 0.25. The brake band has a contact at 270 o one end is fas

Determine hardness of material, Determine hardness of material: Hardne...

Determine hardness of material: Hardness is surface property. It can be defined as resistance of material against permanent deformation of surface in the form of scratch, inde

Illustrate strip rolling, a) In strip rolling what is i) Forward slip ii) N...

a) In strip rolling what is i) Forward slip ii) Neutral point. Illustrate with diagram. b) State the conditions for rolling.

Explain the disadvantages of automation, Explain the Disadvantages of Autom...

Explain the Disadvantages of Automation? a) Initial cost is higher providing additional features in machine tools. b) Skilled personnel's are required for maintenance of aut

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd