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ROEVER COLLEGE OF ENGINEERING & TEC

HNOLOGYELAMBALUR PERAMBALUR

Department of Civil Engineering

CIA -1 (STRENGTH OF MATERIALS) Set-

Semester IV Date:

Max Marks: 50Part A

10x 2= 20 Marks

1) Define Strain energy

2) Write the formula for finding deflection of a beam of length (L) simplysupported at

one end caries a point load (W) at its centre.3) Mention any the advantages and disadvantages of fixed beam

4) Find the deflection for a simply supported beam, carrying a uniformlydistributed loadover the entire span and propped at the centre

5) What do you mean by propped cantilevers?

6) State Maxwell reciprocal theorem

7) A rectangular body 500 mm long, 100 mm wide and 50 mm thick

subjected to a shear stress of 80 MPa. Determine the strain energy stored

in the body.

Take N = 85 GPa.

8) Write down the expression for strain energy per unit volume stored in a

rod due to(a)Axial force (b).Shear force

9) A beam AB of span 3 m is fixed at A and propped at B. Find the reaction at

the prop. when it is loaded with a uniformly distributed load of 20 kN/m

over its entire span?

10) What is mean by fixed beam

Part B

3x10= 30 Marks

Answer Any three

11) A simply supported beam carrier a point load P eccentricallyon the span. Find the deflection under the load assume uniformflexural rigidity

12) i) State and prove Castigliano s theorem.ii) Find the deflection at the mid span of a simply supported beam

carrying an uniformly distributed load of 2KN/m over the entire spanusing principle of virtual work. Take span =5m; EI = 20000 KNm2.

8/3/2019 SOM CIA 1

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ROEVER COLLEGE OF ENGINEERING & TEC

HNOLOGYELAMBALUR PERAMBALUR

Department of Civil Engineering

CIA -1 (STRENGTH OF MATERIALS) Set-

Semester IV Date:

Max Marks: 50Part A

10x 2= 20 Marks

13) A Continuous beam ABC covers two consecutive span AB andBC of lengths 4m and 6m Carrying a u dl of 6kN/m respectively .Ifthe ends A and C are simply supported .Find the support momentsat A and C are simply supported . Also draw the bending momentand shear force diagram

14) Calculate the fixing moment of fixed beam and deflection atthe centre of the beam carrying a concentrated point load at centreof the spam

1) What is meant by statically indeterminate beam

2) A fixed beam of span 6m carries a uniformly distributed load of 25kn/m

over the entire span. Calculate the support

3) Calculate the strain energy stored in a bar 2 m long, 50 mm wide and 40

mm thick, when it is subjected to a tensile load of 50 kN. Take E = 200

GPa.

4) A fixed beam AB of 5 m span carries a point load of 20 kN at a distance of

2 m from left support. Determine the deflection under the load, if kNm2.

5) Define degree of static indeterminacy of a structure.

6) Compare the unit load method and Castiglianos first theorem

7) What is the reaction for a cantilever carrying a udl over the entire spanand proppedrigidly at the free end

8) Write down the three moment equation for continuous beam

9) How will you find the reaction at the prop?

10) State castiglianos theorem for deflection

8/3/2019 SOM CIA 1

3/3

ROEVER COLLEGE OF ENGINEERING & TEC

HNOLOGYELAMBALUR PERAMBALUR

Department of Civil Engineering

CIA -1 (STRENGTH OF MATERIALS) Set-

Semester IV Date:

Max Marks: 50Part A

10x 2= 20 Marks

Part B

3x10= 30 Marks

Answer Any three

11) A simply supported beam carrier a point load P eccentrically

on the span. Find the deflection under the load assume uniform

flexural rigidity

12) A cantilever beam if span 3m carrying a point load of 50 kN at

its free end . Compute the strain energy in the beam due to bending

and hence deflection under the load assume EI=2x106 kN / m2

13) Calculate the horizontal deflection at point C in the fig 01 .

Assume AE 2x105 kN

14) Find the support moment and reaction in the fixed beam ofspan 9m.shown in fig 2 also draw shear force and bending moment

diagram