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. A simply supported beam of length I carries a load varying uniformly from zero at the left end to the maximum at the right end. The maximum bending moment occurs at a distance of a) 1/√3 from the left end b) 1/3 from left end c) 1/√3 from the right end d) 1/3 from the right end 2 / 50 2. If a constant section is subjected to a uniform/ pure bending moment throughout, its length bends to a) circular arc b) parabolic arc c) catenary d) all of the above 3 / 50 3. Find the bending moment at the center and also find the maximum bending moment a) 10 kN-m, 12 kN-m b) 15 kN-m, 10 kN-m c) 20 kN-m, 12 kN-m d) 10 kN-m, 15 kN-m 4 / 50 4. 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 5 / 50 5. Find the maximum BM induced in a simply supported beam if the beam is subjected to a point load of 4 KN at the center of the beam and the span of the beam is 4 m a) 8 KN-m b) 4 KN-m c) 2 KN-m d) 1 KN-m 6 / 50 6. *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 7 / 50 7. If the length of a simply supported beam carrying a concentrated load at the center is doubled, the deflection at the center will become a) two times b) four times c) eight times d) sixteen times 8 / 50 8. 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 9 / 50 9. *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 10 / 50 10. The moment of inertia of a square section is given by a) I = b^4/12 b) I = b^3/12 c) I = b^4 d) I = b^4/3 11 / 50 11. 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 12 / 50 12. 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 13 / 50 13. A brittle material will a) fail suddenly b) fail after giving warning c) never fail d) none of the above 14 / 50 14. *Stress may be defined as force a) volume b) length c) area d) none of the above 15 / 50 15. *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 16 / 50 16. In a beam where shear force is maximum, the bending moment will be a) maximum b) zero c) minimum d) no relation 17 / 50 17. 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 18 / 50 18. Find the value of thrust, if the member (beam) is subjected to an inclined force having a magnitude of 5 kN and an inclination with the vertical of 30° a) 2.5 kN b) 5 kN c) 2.5 √3 kN d) 7.5 kN 19 / 50 19. 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 20 / 50 20. *The maximum bending moment in a simply supported beam UDL is applied a) ends b) mid c) 1/2 distance d) none of the above 21 / 50 21. The strain energy stored by a member when strained within the elastic limit is known as a) resilience b) proof resilience c) potential strain d) none of the above 22 / 50 22. A beam simply supported at ends is subjected to load. The maximum bending moment is located where a) shear force is zero b) shear force is maximum c) bending moment is zero d) axial thrust is zero 23 / 50 23. *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 24 / 50 24. An isotropic material has a) elastic mass b) homogeneous mass c) elastoplastic mass d) none of the above 25 / 50 25. *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 26 / 50 26. 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 27 / 50 27. *The magnitude of a shear force at a distance of L/4 from either end of a simply supported beam with load P applied at midspan is equal to: a) P b) P/2 c) P/4 d) P/8 28 / 50 28. 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 29 / 50 29. *Toughness is a) the ability to absorb energy during plastic deformation b) higher ultimate strength c) stress at field d) strain energy at field 30 / 50 30. *The unit failure stress is taken as : a) rupture stress b) ultimate stress c) failure stress d) fracture stress 31 / 50 31. *The shear force and bending moment are related by a) V = M/Z b) V = MY/I c) V = dM/dx d) V = Mdx 32 / 50 32. The value of Poisson's ratio always remains a) greater than one b) lesser than one c) equal to one d) none of these 33 / 50 33. The section modulus of a rectangular section is proportional to a) area of the section b) square of the area of the section c) product of the area & depth d) half moment of inertia of the section 34 / 50 34. *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 35 / 50 35. 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 36 / 50 36. *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 37 / 50 37. The rate of change of shear force is called a) BM b) point load c) intensity of load d) slope 38 / 50 38. *A beam is said to be of uniform strength if a) bending moment is the same throughout the beam b) deflection is the same throughout the beam c) bending stress is the same throughout the beam d) none of the above 39 / 50 39. 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 40 / 50 40. The moment of inertia of a triangular section b x h about the base is a) bh^3/12 b) bh^3/18 c) bh^3/36 d) all of the above 41 / 50 41. *"If a rod is simultaneously pulled at both of its ends, it will be a case of: a) axial loading b) vertical loading c) horizontal loading d) none of these 42 / 50 42. 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 43 / 50 43. For a column, with both ends fixed, the crippling load will be equal to a) 2P b) 4P c) P/8 d) P/16 44 / 50 44. 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 45 / 50 45. *Thrust is induced in the case of a) vertical load b) inclined load c) vertical & inclined load d) none of the above 46 / 50 46. 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 47 / 50 47. *Tensile internal force tends to: a) crush the member b) elongate the member c) shorten the member d) smash the member 48 / 50 48. 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 49 / 50 49. Longitudinal cracks observed in timber beams are due to a) high bending stresses b) application of concentrated loads over the beam c) shear failure between the layers d) timber not being in compression 50 / 50 50. *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 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