Home» Online Test » Civil Engineering » Mechanics of Materials & Structures Online Test » Paper 1 » Paper 2 » Paper 3 0% Sorry, time's up. To complete the online test, please restart it. Created by Vikash chaudhary This is a FREE online test. Beware of scammers who ask for money to attend this test. Get fresh, new questions in each attempt. Total Questions: 50 Time Allotted: 50 minutes Passing Score: 70% Randomization: Yes Certificate: Yes Do not refresh the page! 👍 All the best! 1 / 50 1. The moment of inertia of a rectangular (Bx D) section about its base is a) BD^3/12 b) DB^3/12 c) BD^3/3 d) DB^3/3 2 / 50 2. A body having similar properties throughout a) homogeneous b) isomorphic c) isotropic d) anisotropy 3 / 50 3. *The law which states that within elastic limits strain produced is proportional to stress producing it is known as: a) Bernoulli's law b) yield stress c) Hooke's law d) Poisson's law 4 / 50 4. The stress necessary to initiate yielding is considerably a) more than necessary to continue it b) less than necessary to continue it c) more than necessary to stop it d) less than necessary to stop it 5 / 50 5. *The total time of collision and restitution of two bodies is called a) time of collision b) period of collision c) period of impact d) all the above 6 / 50 6. The algebraic sum of the shear flow of a section in any direction must be equal to a) zero b) net shear force c) the shear force in that direction d) none of the above 7 / 50 7. The maximum deflection of a simply supported beam subjected to a uniformly distributed load (w) over the span is a) WL^3 / 8EI b) WL^3 / 48EI c) 5WL^3 / 48EI d) 5WL^3 / 384EI 8 / 50 8. The slope of the curve of S.F. diagram at any section will be equal to a) the slope of loading at that section b) the ordinate of loading diagram at that section c) the area of loading diagram from end to that section d) the bending moment at that section 9 / 50 9. A beam is supported over three rollers lying in the same plane. The beam is stable for a) any general loading b) loading with no component in the direction of the beam c) loading with no component perpendicular to the direction of the beam d) only when no load except self-weight acts. 10 / 50 10. *Fatigue is the failure of a material under: a) constant loads but occasionally well above static load b) varying loads, well below ultimate static load c) constant loads well below ultimate static load d) varying loads well above ultimate static load 11 / 50 11. The ratio of the effective length of a column and the minimum radius of gyration of its cross-sectional area is known as a) buckling factor b) slenderness ratio c) crippling factor d) none of the above 12 / 50 12. The maximum deflection of a beam occurs at a) zero shear force location b) zero slope location c) zero bending moment location d) none of the above 13 / 50 13. The actual breaking stress of a ductile material from a tension test will be a) greater than the ultimate strength b) equal to the ultimate strength c) equal to the nominal breaking stress d) less than the ultimate strength but greater than the nominal breaking stress 14 / 50 14. *The product EI is called a) flexural rigidity b) torsional rigidity c) second moment of area d) none of the above 15 / 50 15. *Bending moment diagram of a simply supported beam having a uniformly distributed load is a) rectangular b) parabolic c) triangular d) all of the above 16 / 50 16. The number of reaction components at a hinge on rollers support is a) 1 b) 2 c) 4 17 / 50 17. A brittle material has a) no plastic zone b) no inelastic zone c) a very little plastic zone d) a large plastic zone 18 / 50 18. The effective length of a column effectively held in position and restrained in direction at one end will be a) 1l b) 1.5 l c) 2 l d) 3 l 19 / 50 19. *Strut is a a) horizontal member b) vertical member c) inclined member d) compression member 20 / 50 20. Shear force diagram for a cantilever carrying a UDL over its whole length is a) rectangle b) triangle c) parabola d) cubic parabola 21 / 50 21. The difference between SF values at any two sections will be equal to a) the area of bending moment between the two sections b) the difference between the slopes of the curve of the loading diagram at two sections c) the ordinate of shear force diagram at one section plus the slope of the loading diagram multiplied by the distance between two sections d) the area of the loading diagram between those two sections 22 / 50 22. The rate of change of shear force is called a) BM b) point load c) intensity of load d) slope 23 / 50 23. *A diagram that shows the variation of axial force a) BMD b) SFD c) thrust diagram d) stress diagram 24 / 50 24. *The variation of the bending moment in the segment of a beam where the load is uniformly distributed is a) linear b) parabolic c) cubic d) rectangular 25 / 50 25. In a beam where shear force is maximum, the bending moment will be a) maximum b) zero c) minimum d) no relation 26 / 50 26. According to Hook's law, which one is correct? a) σ=E b) σE=1 c) σ = Εε d) all of the above 27 / 50 27. The variation of the bending moment in the segment of a beam where no external load is present is a) linear b) parabolic c) cubic d) rectangular 28 / 50 28. *The rate of change of shear force is called a) bending moment b) slope c) deflection d) intensity of load 29 / 50 29. The method of increasing fatigue resistance by overstressing the metal by successively increasing the loading is known as a) compounding b) coaxing c) relaxing d) enduring 30 / 50 30. The c.g. of a semi-circular arc is a) r/π b) r/2π c) r/3π d) 2r/π 31 / 50 31. The region of c/s of a column in which compressive load may be applied without producing tensile load is known as a) core b) more c) compression area d) tension area 32 / 50 32. *The ratio of the intensity of stress in a case of a suddenly loaded to that of gradually applied load is a) same b) half c) twice d) thrice 33 / 50 33. A viscoelastic material a) is an elastic material b) has a small plastic zone c) has a time-dependent stress-strain relation d) has a viscous surface 34 / 50 34. *A simply supported beam as shown in the fig. carries 10 t of load. What will be the reaction at point B ? a) 5t b) 4.5 t c) 4t d) 3 t 35 / 50 35. *Compression members always tend to buckle in the direction of the a) parallel to the axis of the load b) perpendicular to the axis of the load c) least radius of gyration d) least cross-section 36 / 50 36. A member that is subjected to reversible tensile or compressible stress may fail at a stress lower than the ultimate stress of the material. The property of the metal is called a) plasticity of the metal b) elasticity of the metal c) fatigue of the metal d) workability of the metal 37 / 50 37. *A cable subjected to U.D.L. over its entire span assumes a shape of a) semi-circle b) an isosceles triangle c) parabola d) none of the above 38 / 50 38. The moment of inertia of a triangular section b x h about the c-g is a) bh^3 / 12 b) bh^3 / 18 c) bh^3/36 d) all of the above 39 / 50 39. Which of the following is a relatively ductile material? a) cast iron b) wrought iron c) mild steel d) bronze 40 / 50 40. In a beam, the neutral plane a) may be at its centre b) passes through the c.g. of the area of c/s c) does not change during deformation d) none of the above 41 / 50 41. If y is the deflection of the beam, then shear force is a) y b) dy/dx c) d²y/dx² d) d^3y/dx² 42 / 50 42. *The shear flow in a section can be defined as a) total shear stress b) flow direction of shear c) total shear stress at a point d) none of the above 43 / 50 43. The relation between deflection (y) and bending moment (M) is a) M = EI(dy/dx) b) M =-EI(d²y/dx²) c) M = EI(d²y/dx] d) none of the above 44 / 50 44. The reaction at end A of the beam shown is a) 9 kN b) 3 kN c) 18 kN d) zero 45 / 50 45. Which one is correct if the deflection of a beam is y a) θ = dy/dx b) dθ/dx = d²y/dx² c) M = EI/R d) all of the above 46 / 50 46. *BM in a cantilever beam having a span of 1.8m and a uniformly distributed load of 4kg/m a) 4.48 kg-m b) 5.48 kg-m c) 6.48 kg-m d) none of the above 47 / 50 47. If the value of Young's Modulus of elasticity for a material is zero, it implies that the material is a) incompressible b) compressible c) plastic d) visco elastic 48 / 50 48. In a simply supported beam with span, L subjected to a point load, W at the center. Find the maximum bending moment induced in the beam a) WL/2 b) WL/3 c) WL/4 d) WL/8 49 / 50 49. Which of the following end conditions permits the displacement in any direction and also rotation a) fixed end b) hinge end c) free end d) roller end 50 / 50 50. *Proof resilience is the greatest stored energy at a) limit of proportionality b) elastic limit c) plastic limit d) yield point Please provide accurate information so we can send your Achievement Certificate by mail. NameEmailPhone Number Your score isShare your achievement! LinkedIn Facebook 0% Restart Test Please provide your feedback. Thank you for your valuable feedback. Send feedback Buy Mechanics of Materials & Structures MCQ PDF for Offline Study