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. At the point of application of concentrated load on a beam, there is a) maximum BM b) sudden change in the slope of BM c) point of contraflexture d) maximum deflection 2 / 50 2. *Young's modulus is the ratio of a) Volumetric stress/volumetric strain b) Lateral stress/lateral strain c) Longitudinal stress/ longitudinal strain d) Shear stress/ shear strain 3 / 50 3. *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 4 / 50 4. A section of a beam is said to be in pure bending if it is subjected to a) constant bending moment and constant shear force b) constant bending moment and zero shear force c) constant shear force and zero bending moment d) none of the above 5 / 50 5. *Proof resilience is the greatest stored energy at a) limit of proportionality b) elastic limit c) plastic limit d) yield point 6 / 50 6. The equivalent length of column fixed at one end and free at the other end is a) 2l b) 0.75l c) 1l d) 1.25l 7 / 50 7. *Which of the following is dimensionless? a) bulk modulus b) strain c) shear stress d) none of the above 8 / 50 8. Find the maximum BM induced in a cantilever beam subjected to a point load of 10 KN and a length of the beam is 10 m. The load is located at a distance of 3 m from the free end:- a) 40 kN-m b) 50 kN-m c) 60 kN-m d) 70 kN-m 9 / 50 9. The maximum deflection in a cantilever beam carrying a concentrated load 'w' at the free end is (Where L is span of bean, W is total load and EI is flexural rigidity) a) WL^3 / 8EI b) WL^2 / 5EI c) WL^3 / 3EI d) 3WL^3 / 2EI 10 / 50 10. A Prismatic bar when subjected to pure bending assumes the shape of a) catenary b) parabola c) cubic parabola d) arc of a circle 11 / 50 11. The shear force on a beam is proportional to a) curvature of the axis b) displacement of the axis c) sum of the forces d) sum of the transverse forces 12 / 50 12. *The bending moment at a section tends to bend or deflect the beam and internal stresses resist its bending. The resistance offered by the internal stress to the bending, is called: a) compressive stress b) shear stress c) bending stress d) elastic modulus 13 / 50 13. *Toughness is a) the ability to absorb energy during plastic deformation b) higher ultimate strength c) stress at field d) strain energy at field 14 / 50 14. *The velocity of a moving body is: a) A vector quantity b) A scalar quantity c) A constant quantity d) None of the above 15 / 50 15. The number of points of contraflexture in a simply supported beam carrying udl is a) 1 b) 2 c) 3 16 / 50 16. Centrifugal force acts away from the center of the path while centripetal force a) does not act b) away from the center of the path c) towards the center of the path d) all of the above 17 / 50 17. 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 18 / 50 18. Point of contraflexure is a point where bending moment a) minimum b) maximum c) zero d) changes sign 19 / 50 19. In the case of an H section, the maximum shear stress will occur at a) top fibers b) neutral axis c) bottom fibers d) at the junction of web and flanges 20 / 50 20. The variation of the bending moment in the portion of the beam carrying a linearly varying load is a) linear b) parabolic c) cubic d) deflection is zero 21 / 50 21. *The maximum bending moment caused by a moving load on a simply supported beam is a) at the support b) under the load c) at mid span d) none of the above 22 / 50 22. In an I section, almost all the shear force is taken by a) top flange b) web c) bottom flange d) none of the above 23 / 50 23. *The ratio of the largest load in a test to the original cross-sectional area of the piece is called: a) elastic limit b) ultimate stress c) yield stress d) breaking stress 24 / 50 24. A cantilever beam is one which is: a) Fixed at both ends b) Fixed at one end and free at other end c) Supported at its ends d) Supported on more than two supports 25 / 50 25. According to Hook's law, which one is correct? a) σ=E b) σE=1 c) σ = Εε d) all of the above 26 / 50 26. 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 27 / 50 27. *The unit failure stress is taken as : a) rupture stress b) ultimate stress c) failure stress d) fracture stress 28 / 50 28. In a beam where shear force is maximum, the bending moment will be a) maximum b) zero c) minimum d) no relation 29 / 50 29. What is strain energy? a) stress x strain b) volume x stress x strain c) energy that is spent for straining a body d) energy stored in a body because of being strained 30 / 50 30. *Dead load of a member is the a) one that remains constant b) one that occurs due to the dead body c) one that comes all of a sudden d) one that comes due to the self-weight of the object 31 / 50 31. *The stress at which the extension of a material takes place more quickly as compared to the increase in load is called a) breaking point b) plastic point c) yielding point d) elastic point 32 / 50 32. 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 33 / 50 33. The bending moment diagram for a cantilever beam subjected to a moment at the end of the beam would be a) rectangle b) triangle c) parabola d) cubic parabola 34 / 50 34. 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 35 / 50 35. For keeping the stress wholly permissible, the load may be applied to a circular column anywhere within a concentric circle of diameter a) d/2 b) d/3 c) d/4 d) d/5 36 / 50 36. For a column, with both ends fixed, the crippling load will be equal to a) 2P b) 4P c) P/8 d) P/16 37 / 50 37. The shear force on a beam and the displacement are related by a) V = EI(d^2y/dx^2) b) V = EI(d^3y/dx^2) c) V = EI(d^3y/dx^3) d) none of the above 38 / 50 38. The value of Poisson's ratio always remains a) greater than one b) lesser than one c) equal to one d) none of these 39 / 50 39. An isotropic material has a) elastic mass b) homogeneous mass c) elastoplastic mass d) none of the above 40 / 50 40. *Centre of gravity of a semi-circle is... above the base AB (Dia.) a) 2r/π b) 4r/3π c) r/8 d) r/4 41 / 50 41. The stress due to temperature change in a member depends on a) cross-section of the member b) length of the member c) supporting end conditions d) none of the above 42 / 50 42. The radius of gyration of a rectangular section is not proportional to a) the square root of the moment of inertia b) the square root of the inverse of the area c) the square root of the moment of inertia divided by the area of the section d) none of the above 43 / 50 43. Buckling load for a given column depends upon a) length of the column only b) least lateral dimension only c) both length and least lateral dimension d) none of the above 44 / 50 44. For a beam of uniform strength if its depth is maintained constant then its width will vary in proportion to a) bending moment b) (B.M)^2 c) (B.M)^3 d) (B.M) 45 / 50 45. *When the equal and opposite forces are applied to a body, tending to elongate it, then the stress produced is called a) compressive stress b) tensile stress c) shear stress d) longitudinal stress 46 / 50 46. *Moment of inertia of an object having rectangular section of 'b' as width and 'd' as depth is given by: a) bd^3/12 b) bd^2/24 c) b^2d^2/12 d) db^3/24 47 / 50 47. 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 48 / 50 48. *The stress at which the extension of a material takes place more quickly as compared to the increase in load is called a) elastic limit b) plastic limit c) breaking point d) yielding point 49 / 50 49. How does Young's Modulus vary with an increase in temperature? a) will increase b) will not be affected c) will decrease d) impossible to predict 50 / 50 50. A column that fails primarily due to direct stress is called a) long column b) short column c) weak column d) none of the above 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