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. 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 2 / 50 2. 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 3 / 50 3. 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 4 / 50 4. 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 5 / 50 5. The shear center may be defined as a) the point through which the resultant of the shear stress pass b) the point about which the moment of shear flow is zero c) the center of gravity of the section d) none of the above 6 / 50 6. Find the elongation of a bar if c/s area of the bar is A, length 1, applied load p, modulus of elasticity of material is E a) PI/AE b) AE/PI c) PA/IE d) PE/AI 7 / 50 7. 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 8 / 50 8. In the case of a simply supported beam subjected to UDL, the maximum shear force occurs at a point a) support b) centre c) 1/3 d) none of the above 9 / 50 9. *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 10 / 50 10. *In a simply supported beam subjected to a point load at the center, the maximum bending moment occurs at a) left end b) right end c) center d) none of the above 11 / 50 11. The diagram showing the variation of BM along the span of the beam is called a) BMD b) SFD c) thrust diagram d) all of the above 12 / 50 12. 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 13 / 50 13. 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 14 / 50 14. 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 15 / 50 15. *The S.I. unit of the modulus of elasticity is a) N/cm^2 b) N/m^2 c) dyne/cm^2 d) none of the above 16 / 50 16. 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 17 / 50 17. *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 18 / 50 18. *Load required to produce unit deflection is called a) stiffness b) ductility c) elasticity d) malleability 19 / 50 19. 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 20 / 50 20. *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 21 / 50 21. The maximum bending moment in a simply supported beam loaded with a UDL of w/m having span l is a) wl^2/2 b) wl^2/4 c) wl^2/8 d) wl^2/16 22 / 50 22. *A diagram that shows the variation of axial force a) BMD b) SFD c) thrust diagram d) stress diagram 23 / 50 23. If magnitude and direction of a load does not change with respect to time, this type of load is called a) point load b) static load c) dynamic load d) wind load 24 / 50 24. *The product EI is called a) flexural rigidity b) torsional rigidity c) second moment of area d) none of the above 25 / 50 25. 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 26 / 50 26. 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 27 / 50 27. 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 28 / 50 28. A long vertical member subjected to an axial compressive load is called a) column b) strut c) tie d) tanchion 29 / 50 29. 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 30 / 50 30. *Which of the following gives Bulk Modulus? a) the ratio of linear stress to linear strain b) the ratio of shear stress to shear strain c) the ratio of lateral strain to longitudinal strain d) the ratio of the normal stress of equal magnitude on all six faces of a solid cube to the volumetric strain 31 / 50 31. 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 32 / 50 32. *A member with a cross section of a mm^2 is subjected to a force of P N. It is L mm long and of Young's Modulus, E N/mm^2. The strain will be a) PL/AE(n/mm) b) PA/LE(N/mm^2) c) P/AE(mm/mm) d) AP/LE(mm/mm) 33 / 50 33. 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 34 / 50 34. *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 35 / 50 35. *The relation between the radius of curvature (R), bending moment (M), and flexural rigidity (EI) is given by a) M = EI/R b) M = E/IR c) EI = R/M d) MI/R = E 36 / 50 36. *Strut is a a) horizontal member b) vertical member c) inclined member d) compression member 37 / 50 37. A column that fails primarily due to buckling is known as a) long column b) short column c) wear column d) medium column. 38 / 50 38. 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 39 / 50 39. The bending moment acting on the plane of an element will cause the following type of stress on the plane a) normal stress b) tension stress c) axial stress d) transverse shear stress 40 / 50 40. *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 41 / 50 41. 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 42 / 50 42. *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 43 / 50 43. The section modulus of a circular section about an axis through its C.G. is a) πd^2/16 b) πd^3/32 c) πd^3/64 d) πd^2/64 44 / 50 44. 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 45 / 50 45. 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 46 / 50 46. *The simple bending equation is a) M/y = σ/I = E/R b) M/I = σ/y = E/R c) M/R = σ/y = E/R d) none of the above 47 / 50 47. *The rate of change of shear force is called a) bending moment b) slope c) deflection d) intensity of load 48 / 50 48. In rectangular column having cross section b X h, the core is a) rectangle of lengths b/2 and h/2 b) square of lengths b/2 c) rhombus of lengths h/2 d) rhombus of diagonals b/3 and h/3 49 / 50 49. *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 50 / 50 50. *A truss is completely analyzed, when a) the direct stress in all the members are found b) all the external reaction components are determined c) the equilibrium is satisfied 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