22306 Strength of Material MSBTE Exam Important Questions

 22306 IMP Strength of Material MSBTE Exam Important Questions 


22306 Imp 

Strength of Materials, also known as Mechanics of Materials, is a field of study that deals with the behavior of solid objects subjected to various types of loading. Some topics that may be covered in an MSBTE Strength of Materials exam include:

  • The stress-strain relationship: the relationship between the applied load and the resulting deformation of a material
  • The principles of elasticity: the behavior of materials that return to their original shape after the applied load is removed
  • The principles of plasticity: the behavior of materials that do not return to their original shape after the applied load is removed
  • Torsion: the behavior of objects subjected to twisting loads
  • Bending: the behavior of beams subjected to transverse loads
  • Columns: the behavior of slender, vertical structural elements subjected to compressive loads
  • Thin-walled pressure vessels: the behavior of cylindrical or spherical containers subjected to internal pressure
  • Deflection of beams: the amount of bending or deflection of a beam under a given load
  • NOTE: These are not formal MSBTE Questions We Provide Important Practice Questions for Students to Score Good Marks in Exam and this Questions is based on Important Topics of Syllabus and Repeated Ones. So, with the help of this we help student to Not get KT / or /They will Not get Fail in Exam.

To prepare for an MSBTE Strength of Materials exam, it is important to review and understand the material covered in your classes and to practice applying your knowledge through practice problems. It may also be helpful to review past exam questions, if they are available, and to work with your classmates or seek assistance from your instructors if you have any questions or need clarification on any topics.

1. Define:

a. Moment of Inertia

b. Radius of Gyration

2. State the relation between young’s modulus and bulk modulus.

3. Draw stress-strain diagram for mild-steel rod and show different limits on  it.

4. Define point of contraflexure of a loaded beam with sketch.

5. Define section modulus and neutral axis.

6. State the  condition for  no  tension at  the  base of  a  column.

7. Define the core of a section.

1. Attempt any THREE of  the following: 12
a) A hollow square has inner dimensions a × a and outer dimensions 2a × 2a. Find moment of inertia about the outer side.

b) In a bi-axial stress system the stresses along the two directions are 6x =  60 N/mm2 (tensile) and 6y = 40 N/mm2 (compressive). Find the maximum strain.
Take E = 200 kN/mm2 and m = 4.

c) A simply supported beam of Span 5 m carries two point loads of 5 kN and 7 kN at 1.5 m and 3.5 m from the left hand support respectively. Draw S.F.D and B.M.D showing important values

d) Explain the theory of pure torsion.



2. Attempt any THREE of the following: 12

a) A cylindrical bar is 30 mm in diameter and 2000 mm long. The bar is subjected to uniform stress of 100 N/mm2 in all directions. Calculate the modulus of rigidity and bulk modulus. If the modulus of elasticity is 1 × 105 N/mm2 and Poisson’s ratio is 0.2.

b) Find the bending stress induced in the steel flat 40 mm wide and 5 mm thick if it is required to bend into an arc of a circle of radius 2.5 m. Also calculate the moment required to bend the flat. Take E = 2 ×  105 MPa.

c) A cantilever beam of span 2.5 m carries three point loads of 1KN, 2KN and 3KN at 1 m, 1.5 m and 2.5 m from the fixed end. Draw S.F.D and B.M.D.

d) A rectangular rod of size 50 mm × 100 mm is bent into ‘C’ shape as shown in Fig. No. 1 and applied load of 40 kN at point A. Calculate the resultant stresses developed at section x-x.


1.                     Attempt any THREE of  the following:                                         12

a)       State and explain perpendicular axis theorem of moment of

Inertia.


b)       A steel bar 50 mm × 50 mm in section, 3 m long is subjected to an axial pull of 20 kN. Calculate the change in length and change in side of the bar. Take E = 200 GPa and Poisson’s ratio =  0.3

c)       Two steel rods and one copper rod each of 20 mm in diameter together support a load of 20 kN as shown in

                  Fig. No. 2. Find the stresses in the rod, Es = 210 GPa and Ec =  110  GPa.

       a)       Calculate safe axial load in tension  for a steel bar of

cross-section 75 mm × 12 mm, if allowable maximum stress is 155  MPa.


b)       A bar of  30 mm diameter is subjected to a pull  of 60  kN. The measured extension on guage length of 200 mm is 0.09 mm and the change in diameter is 0.0039 mm. Calculate the Poisson’s ratio and modulus of elasticity.



a)       A Cantilever beam 4 m long carries a u.d.l. of 2 kN/m over 2 m from free end and point load of 4 kN at free end. Draw S.F and B.M  diagrams.


b)       Select a suitable diameter for a solid circular shaft to transmit 200 HP. At 180 r.p.m. The allowable shear stress is 80 N/mm2 and the allowable angle of twist is in a length of 3 m. Take C = 0.82  × 105 N/mm2.

c)       A diamond shaped pier with diagonals 3 m and 6 m is subjected to an eccentric load of 1500 kN at a distance of 1 m from centroid and on the longer diagonal. Calculate the maximum stress induced  in the  section.



                5. Attempt any TWO  of  the following: 12

                a) A cantilever is 2 m long and is subjected to a u.d.l. of 2 kN/m. The cross section of                                cantilever is tee section with flange 80 mm × 10 mm and web of 10 mm × 120 mm such                         that its  total depth is  130  mm. The flange  is  at  the  top and web is vertical.                                       Determine maximum tensile stress and compressive stress developed and their positions

                b) (i) A steel rod 800 mm long and 60 mm × 20 mm in cross section is subjected to an                        axial push of 89 kN. If the modulus of elasticity is 2.1 × 105 N/mm2. Calculate the stress,                         strain and reduction in the  length of rod.
                        (ii) Differentiate between linear and lateral strain.

                    c) A hollow rectangular beam section square in size having outer dimensions 120 mm × 120 mm with uniform thickness of material 20 mm is carrying a shear force of 125 kN. Calculate the maximum shear stress induced in the section.




















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