CE Mechanics Of Solids May June Question Paper ANNA UNIVERSITY CIVIL 3RD SEMESTER QUESTION PAPER DETAILS. CE MECHANICS OF SOLIDS APRIL/MAY QUESTION PAPER ANNA UNIVERSITY CIVIL 3RD SEMESTER QUESTION PAPER. Anna University Chennai Question Paper Code: B.E / DEGREE EXAMINATION, Nov / Dec and Jan Third Semester.

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What do you mean by stiffness? With a simple sketch explain lateral strain. Write the relation between Elastic constants.

State Hookes l aw. How the thermal stress is induced? Find the stresses in the rods. The tube is mm long and is closed by rigid washers, which are fastened by the threads on the steel bolt. Find the stress in the bolt and the tube if the pitch of the thread is 3mm. A rectangular block mmx mmx80 is subjected to axial loads as follows. Also calcula te the change in volume of the block due to the loading specified above.

The values of elastic modules for steel and aluminium are 2. The decrease in length is given as 0. The two t ubes are of same length. The compound tube carries an axial load of KN. Find the stresses and the load carried by each tube. Length of each tube is mm. Find the location of principal planes and evaluate the principal stresses.

The rails are 30m long. Find t he Principal stresses and their planes. Find also maximum shear stress and the normal stress on the plane of maximum shear stress. The two tubes are of the same length. The compound tube carries an axial load o kN. Find the stresses and the load carried by each tube and the amount it shortens.

At a certain point in a strained material, the horizontal tensile stress is 80 MPa and vertical compressive mechanice is Mpa. The shear stress is 40 Mpa. Find the principal stresses and locate the principal planes.

Also find the maximum shear stress and locate the planes of maximum shear stress. A steel tube of 30 mm soliss diameter and 20 mm internal diameter encloses a copper rod of 15mm diameter to od it is rigidly joined at each end. A steel rod 5m long and 30 mm in diameter is subjected to an axial tensile load of 50kN.

D etermine the change in length, diameter and volume of the rod. Determine the change in length, diameter and volume of the ro d. What is the maximum intensity of shear stress in the material at the point?

Each rod is 2. A horizontal cross piece connects the lower end of the bar. Where should a load of 10 kN be placed on the cross piece so that it remains horizontal after being loaded?

Calculate the stresses in each rod. Neglect any bending in the cross piece. It is subjected to a tensile load of kW along the longitudinal axis and tensile load of 7 50 kW and kW as the lateral forces in z and y directions respectively.

Find the resulting change in dimensions and the volume of the bar. Find the principal stresses and its planes. Find the plane of maximum shear stress and its plane. When a load of KN was applied, the extension observed is equal to 5.

In a ddition, there is a shearing stress of 80 MPa acting normal to the normal stresses. The compound tube carries an axial load of 1 MN. Find the stresses and the load carried by each tube and the amount by which it shortens. Find i the principal stresses and orientation of principal planes. A steel flat 24 mm x 6 mm in section riveted between two aluminium flats of same size at a temperature of K is shown in fig.

To what temperature the assembly can be rised that the stresses in the material due to the load are nullified. S Bar of 50 mm square in size and mm long is subjected to an axial thrust of kN. Half the lateral strain is prevented by the application of uniform external pressure of certain intensity.

A copper rod of 40 mm diameter is surrounded by a cast iron tube of 80 mm external diameter. The ends being firmly fastened together.

When put to a compressive load of 35 kN, what load will be shared by each? Also determine the amount by whi ch the compound bar shortens if its initial length is 2. A compound tube consists of steel tube mm external diameter and mm thickness and a outer brass tube mm extended diameter and 10 mm thickness. The compound tube carries an axial tensile load of kN. Find the stresses and the loads carried by each tube and the amount by which it shortens.

Calculate the magnitude of the principal stress and orientation of the principal planes. The length being equal to mm for both, the assembly is held between two stoppers exactly at mm apart.

If the temperature of the assembly is raised by 60 o C, find the stresses develope d in the two materials, if i the distance between the stoppers remains constant and ii increased by 0.

Also find iii the increase in the distance between the stoppers if a force of 80 kN is exerted between them. At a certain material under stress, the intensity of resultant stress on a plane in 65 MPa tensile inclined at 30 o to the normal to that plane.

The stress on a plane at right angle to this plane has a normal component of intensity 40 MPa tensile. What are the advantages of trusses over beams?

## CE2201 Mechanics of Solids April May 2010 Question Paper

When is the method of sections preferred for analysis of trusses? What is the condition to be satisfied for a perfect frame? When a thin cylinder is subjected to internal fluid pressure. What are the stresses developed in its wall? What are the assumptions made in finding out the in a frame?

Write down the expression for the change in volume of a thin cylindrical shell subjected to internal fluid pressure.

### CE MECHANICS OF SOLIDS – TechyLib

Define thi n cylinder. When do you adopt method of sections. What are the two types of trusses with respect to their joints?

How to sollds the strength of a thin cylinder? What is a plane frame? Sketch any two types of truss? What is meant by perfect frame. Determine the force in all the members of the truss. It is filled with fluid under pressure until is volume increases by 50 cubic centimeters. Use method of joints. Also explain the failure of thin cylinders. Find the value of pressure exerted by the liquid on the walls of the cylinder and hoop stress induced if an additional volume of 25cm 3 of liquid is pumped into the cylinder.

Determine the increase in diameter and increase in volume. Mechaanics the forces in all the members of the truss shown in fig by method of section. A cylindrical shell 3 meter long has 1 meter internal diameter and 15 mm thickness.

Calculate the circumferential and longitudinal stresses induced and also the changes in the dimension of the shell if it is subjected to an internal pressure of 1. A truss of span 8 meters is loaded as shown in fig.

## CE2201 Mechanics of Solids May June 2013 Question Paper

Find out the forces in all the members of the truss using method of joints. A cylindrical shell mm long and mm internal diameter having a thickness of metal 6 mm in filled with fluid at atmospheric pressure. If an additional mm 3 of fluid is pumped into the cylinder, find the pressure exerted by the fluid on the cylinder, mechanjcs stress and the longitudinal stress induced. A truss of span 9m is loaded as shown in Fig 2.

Find the reactions and forces in the members marked 1, 2 and 3 using method of section. A Cylindrical vessel whose ends are closed by means by rigid flange plates, is made of steel plate 3 cs2201 thick.

The length and the internal diameter of the vessel are 50 cm and 25cm respectively. Also calculate the increase in length, diameter and volume of the vessel. Find the forc es in the members of the truss shown in Figure 1. A closed cylindrical vessel made of steel plate 5mm thick is 50 cm long and its internal diameter is 20cm.

Also calculate the change in length, diameter and volume of the vessel. Determine the forces in all the members of truss shown in fig.