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. An orthotropic material has a) inelastic properties b) non-homogeneous properties c) the same properties in an orthogonal direction d) different properties in three perpendicular directions 2 / 50 2. Normally, the numerical value of Poisson's is a) 0.3 for steel b) 0.15 for concrete c) both (a) and (b) of the above d) none of the above 3 / 50 3. *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 4 / 50 4. *The maximum deflection of a simply supported beam subjected to a concentrated load (W) at the midpoint is a) WL^3 / 8EI b) WL^3 / 48EI c) 5WL^3 / 48EI d) none of the above 5 / 50 5. The maximum number of transverse shear forces possible at one end of an element of a plane truss are a) zero b) one c) two d) three 6 / 50 6. 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 7 / 50 7. The point of contraflexure occurs in a beam a) cantilevers only b) simply supported only c) overhanging only d) all of the above 8 / 50 8. The property of material by which it can be drawn, due to tension, to a smaller section, is called a) plasticity b) ductility c) elasticity d) malleability 9 / 50 9. *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 10 / 50 10. If the elasticity of the material is zero then the material is said to be a) rigid b) perfect c) plastic d) all of the above 11 / 50 11. *A tie is a member which a) is subjected axial compression only b) is subjected axial tension only c) is subjected moment tension only d) is subjected two equal and opposite forces. 12 / 50 12. *A member which does not regain its original shape after the load producing deformation is removed, is said to be: a) plastic b) elastic c) rigid d) none of the above. 13 / 50 13. The maximum shear stress will always occur at a) neutral axis b) top extreme fiber c) a fiber in the cross-section depending on configuration d) bottom extreme fiber 14 / 50 14. *Stress may be defined as force a) volume b) length c) area d) none of the above 15 / 50 15. If the Poisson's ratio of a material is 0.25, the ratio of Modulus of Rigidity to the Young's Modulus is a) 2 b) 0.4 c) 2.5 d) 4 16 / 50 16. 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 17 / 50 17. A perfectly elastic body is a) that body which recovers its original shape completely after the removal of force b) a body of such a material with a lot of extensibility c) a body made of rubber only d) a body whose cross-sectional dimensions are very small 18 / 50 18. The maximum deflection in a cantilever beam carrying a uniformly distributed load (w) over spans is (Where L is span of beam, W is total load and EI is flexural rigidity) a) 3WL^3 / 2EI b) WL^3 / 8EI c) WL^3 / 5EI d) WL^3 / 3EI 19 / 50 19. 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 20 / 50 20. *The amount of shear force at the maximum bending moment a) all of the above b) minimum c) medium d) maximum 21 / 50 21. The slenderness ratio of a vertical column of a square section of 2.5 cm sides and an effective length of 1.75 m is a) 232 b) 242 c) 252 d) 262 22 / 50 22. If the stress produced by a prismatic bar is equal to the working stress, the area of the cross-section of the prismatic bar becomes a) zero b) infinite c) maximum d) minimum 23 / 50 23. The ratio of moment of inertia of a square section to that of a circular section for a given depth is given by a) <1 b) >1 c) 1 d) none of the above 24 / 50 24. *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 25 / 50 25. Along the neutral axis of a simply supported beam a) fibers do not undergo strain b) fibers undergo very little strain c) the fibers are subjected to maximum stress d) none of the above 26 / 50 26. *Determinate beam can be analyzed with the help of a) two equations of statics b) three equations of statics c) four equations of statics d) five equations of statics 27 / 50 27. The value of buckling load is ... than the crushing load in the case of a long column a) less b) more c) equal d) none of the above 28 / 50 28. *In the case of a fixed beam loaded at a point at its center, the number of points at which BM is zero a) 1 b) 2 c) 3 d) 4 29 / 50 29. Centrifugal force acts at a curve a) along the center line b) towards the center c) away from the center d) all of the above 30 / 50 30. *Toughness is a) the ability to absorb energy during plastic deformation b) higher ultimate strength c) stress at field d) strain energy at field 31 / 50 31. If α is the coefficient of linear expansion, T is the rise in temperature, then thermal stress is given by a) ETα b) ET/α c) Eα/T d) Tα/E 32 / 50 32. 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 33 / 50 33. *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 34 / 50 34. *Maximum deflection of a simply supported beam subjected to concentrated load (w) at the mid-point is a) wL^3 / 8EI b) wL^3 / 48EI c) 5wL^3 / 48EI d) none of the above 35 / 50 35. 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 36 / 50 36. *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 37 / 50 37. 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 38 / 50 38. The zone between the elastic limit and proportional limit on the elastic curve of an elastic material is known as a) linear elastic zone b) non-linear elastic zone c) plastic zone d) none of the above 39 / 50 39. The beam strongest in flexure will have the maximum a) moment of inertia b) section modulus c) area of cross-section d) none of the above 40 / 50 40. *As the elastic limit reaches, tensile strain a) decreases more rapidly b) increases more rapidly c) decreases in proportion to the stress d) increases in proportion to the stress 41 / 50 41. *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 42 / 50 42. *The shear force in a concrete beam is assumed to act a) along the longitudinal axis b) perpendicular to the longitudinal axis c) on a plane normal to the longitudinal axis d) vertically downward 43 / 50 43. If a material has identical properties in all directions, it is said to be a) homogeneous b) isotropic c) elastic d) orthotropic 44 / 50 44. The crippling load for column of length 1, with one end fixed and the other end free is a) P = π^2EI/4l^2 b) P= π^2EI/l^2 c) P= 4π^2EI/l^2 d) P= π^2EI/l 45 / 50 45. *The forces which meet at one point, but their lines of action do not lie in a plane, are called: a) co-planer non-concurrent forces b) non-coplanar concurrent forces c) non-coplanar non-concurrent forces d) none of the above 46 / 50 46. A body having similar properties throughout a) homogeneous b) isomorphic c) isotropic d) anisotropy 47 / 50 47. A beam fixed at both ends with a central load W in the middle will have zero bending moment a) at one place b) at two places c) at three places d) none of the above 48 / 50 48. For a column of given material, the Rankine's constant depends on a) length of the column. b) diameter of column c) moment of inertia of column d) none of the above 49 / 50 49. *The product EI is called a) flexural rigidity b) torsional rigidity c) second moment of area d) none of the above 50 / 50 50. The number of reaction components at a hinged end of a general loading is a) 1 b) 2 c) 3 d) 4 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