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 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 2 / 50 2. A long vertical member subjected to an axial compressive load is called a) column b) strut c) tie d) tanchion 3 / 50 3. A shear force diagram of a simply supported beam shows constant shear force throughout the span. It is subjected to a) two concentrated loads spaced at points b) a couple at mid span c) a uniformly distributed load d) none of the above 4 / 50 4. The shear center in the case of a T-beam section is a) at the C.G. of the section b) at the neutral axis of the section c) on the C.G. horizontal plane and away from C.G. within the leg projections d) none of the above 5 / 50 5. In a beam where shear force is maximum, the bending moment will be a) maximum b) zero c) minimum d) no relation 6 / 50 6. *A point where SF is zero, BM is a) maximum b) minimum c) either maximum or minimum d) none of the above 7 / 50 7. The slenderness ratio of a vertical column of square cross-section of 10 cm side and 500 cm long is a) 117.2 b) 17.3 c) 173.2 d) 137.2 8 / 50 8. *The Young's Modulus of elasticity is defined as the ratio of stress & strain within the a) plastic limit b) all of the above c) yield limit d) elastic limit 9 / 50 9. If all the dimensions of a bar are increased in the proportion n:1, the proportion with which the maximum stress produced in the prismatic bar by its own weight will increase in the ratio a) 1:n b) n:1 c) 1:1/n d) 1/n:1 10 / 50 10. 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 11 / 50 11. *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 12 / 50 12. What is tenacity? a) ultimate strength in tension b) ultimate strength in compression c) ultimate shear strength d) ultimate impact strength 13 / 50 13. 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 14 / 50 14. *A diagram that shows the variation of axial force a) BMD b) SFD c) thrust diagram d) stress diagram 15 / 50 15. *The slope of an elastic curve at the point of contraflexture a) must be equal to zero b) greater than zero c) need not be equal to zero d) none of the above 16 / 50 16. *Which of the following sections is the most efficient in carrying bending moments a) rectangular section b) circular section c) I-section d) T-section 17 / 50 17. *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 18 / 50 18. Strain energy of a member may be defined as work done on it a) to deform it b) to resist elongation c) to resist shortening d) all of the above 19 / 50 19. 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 20 / 50 20. *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 21 / 50 21. If a cantilever beam carries a uniformly distributed load over its entire length, then the shape of the shear force diagram and bending moment diagram respectively are a) triangle and quadratic parabola b) quadratic parabola and cubic parabola c) rectangle and triangle d) quadratic parabola and rectangle 22 / 50 22. *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 23 / 50 23. 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 24 / 50 24. 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 25 / 50 25. The effective length of a column if both ends are hinged a) L b) 0.5L c) 2L d) 4L 26 / 50 26. Effective length of column fixed at one end and hinged at the other end is a) 1/2 b) 1/√2 c) 1l d) 1.25l 27 / 50 27. The number of points of contraflexture in a simply supported beam carrying udl is a) 1 b) 2 c) 3 28 / 50 28. *Hooke's law holds good up to: a) Yield point b) Plastic limit c) Elastic limit d) Breaking point 29 / 50 29. Which of the following gives Modulus of Rigidity 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 30 / 50 30. 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 31 / 50 31. *The inclined member carrying compressive load in the case of frames and trusses is a) Post b) stanchion c) strut d) column 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. For a column, with both ends fixed, the crippling load will be equal to a) 2P b) 4P c) P/8 d) P/16 34 / 50 34. *Centrifugal force is given by a) v^2/R b) mv^2/R c) mxa d) all of the above 35 / 50 35. If a material has identical properties in all directions, it is said to be a) homogeneous b) isotropic c) elastic d) orthotropic 36 / 50 36. 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 37 / 50 37. *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 38 / 50 38. *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 39 / 50 39. The impact tests are used to determine a) ultimate crushing strength b) toughness c) ductility d) tenacity 40 / 50 40. 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 41 / 50 41. *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 42 / 50 42. The expression EI(d^4y/dx^4) at any section for a beam is equal to a) load intensity at the section b) shear force at the section c) BM at the section d) slope of the section 43 / 50 43. If y is the deflection of the beam, then shear force is a) y b) dy/dx c) d²y/dx² d) d^3y/dx² 44 / 50 44. 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 45 / 50 45. *Maximum bending moment occurs where a) shear force is maximum b) shear force is less than one c) shear force changes sign d) deflection is zero 46 / 50 46. Shear strain is defined as a) change in the angle between planes at right angles b) distortion of fiber c) change in angle between two angles d) strain that normally occurs 47 / 50 47. A brittle material has a) no plastic zone b) no inelastic zone c) a very little plastic zone d) a large plastic zone 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) breaking point b) plastic point c) yielding point d) elastic point 49 / 50 49. 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 50 / 50 50. 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 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