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. Bending moment diagram of simply supported beam with a point load at the centre of the span is a) parabola b) triangular c) rectangle d) diagonal 2 / 50 2. In a fixed beam, the points of contraflexure, a) for a UDL load are 2 b) for a concentrated load are 2 c) for a moment applied load are 2 d) all of the above 3 / 50 3. The brittle materials have low toughness because they a) have large plastic deformation before failure b) have small plastic deformation before failure c) have no plastic deformation before failure d) can absorb impact load also 4 / 50 4. 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 5 / 50 5. *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 6 / 50 6. 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 7 / 50 7. 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 8 / 50 8. Find the slenderness ratio of the column of M.I. = 10000cm4, Area =100cm^2 & effective length =3.0m a) 3 b) 30 c) 4 d) 40 9 / 50 9. 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 10 / 50 10. *As per the elastic theory of design, the factor of safety is the ratio of a) working stress to field stress b) yield stress to working stress c) ultimate stress to yield stress d) ultimate load to load at yield 11 / 50 11. Find the maximum SF induced in S.S 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) 1 KN b) 2 KN c) 4 KN d) 8 KN-m 12 / 50 12. *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) 13 / 50 13. *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 14 / 50 14. 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 15 / 50 15. *The centre of gravity of a triangle is at the point where three a) medians of the triangle meet b) perpendicular bisectors of the sides of the triangle meet c) bisectors of the angle of the triangle meet d) none of these 16 / 50 16. *The critical bending moment caused in a fixed end beam loaded with a uniformly distributed load (W = wL) throughout is a) M = WL/4 b) M = WL/8 c) M = WL/12 d) M = WL/16 17 / 50 17. 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 18 / 50 18. The limit of proportionality depends upon a) area of cross-section b) types of loading c) types of material d) none of the above 19 / 50 19. If y is the deflection of the beam, then shear force is a) y b) dy/dx c) d²y/dx² d) d^3y/dx² 20 / 50 20. *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 21 / 50 21. *Which of the following gives Modulus of Elasticity 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 22 / 50 22. *The inclined member carrying compressive load in the case of frames and trusses is a) Post b) stanchion c) strut d) column 23 / 50 23. *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 24 / 50 24. *The compression test is commonly used for testing a) ductile materials b) rubber c) brittle materials d) none of the above 25 / 50 25. The reaction at end A of the beam shown is a) 9 kN b) 3 kN c) 18 kN d) zero 26 / 50 26. *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 27 / 50 27. 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 28 / 50 28. 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 29 / 50 29. Which one is correct if the deflection of a beam is y a) θ = dy/dx b) dθ/dx = d²y/dx² c) M = EI/R d) all of the above 30 / 50 30. For a column, with both ends fixed, the crippling load will be equal to a) 2P b) 4P c) P/8 d) P/16 31 / 50 31. A beam is supported over three rollers lying in the same plane. The beam is stable for a) any general loading b) loading with no component in the direction of the beam c) loading with no component perpendicular to the direction of the beam d) only when no load except self-weight acts. 32 / 50 32. The rate of change of shear force is called a) BM b) point load c) intensity of load d) slope 33 / 50 33. 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 34 / 50 34. The number of points of contraflexture in a simply supported beam carrying udl is a) 1 b) 2 c) 3 35 / 50 35. The property of material by which it can be beaten or rolled into plates is called a) malleability b) ductility c) plasticity d) elasticity 36 / 50 36. *The ratio of change in volume to the original volume is called: a) linear strain b) lateral strain c) volumetric strain d) Poisson's ratio 37 / 50 37. *Stress in a beam due to simple bending is a) inversely proportional b) directly proportional c) curvilinear related d) all of the above 38 / 50 38. An isotropic material has a) elastic mass b) homogeneous mass c) elastoplastic mass d) none of the above 39 / 50 39. *The total time of collision and restitution of two bodies is called a) time of collision b) period of collision c) period of impact d) all the above 40 / 50 40. *A simply supported beam as shown in the fig. carries 10 t of load. What will be the reaction at point B ? a) 5t b) 4.5 t c) 4t d) 3 t 41 / 50 41. A beam of uniform strength will have at every cross-section the same a) deflection b) stiffness c) BM d) bending stress 42 / 50 42. 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 43 / 50 43. A long vertical member subjected to an axial compressive load is called a) column b) strut c) tie d) tanchion 44 / 50 44. 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 45 / 50 45. In a continuous beam, the point where bending moment changes sign is called a) point of inflection b) point of virtual hinge c) point of contraflexure d) all of the above 46 / 50 46. 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 47 / 50 47. 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 48 / 50 48. 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 49 / 50 49. *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 50 / 50 50. *The amount of shear force at the maximum bending moment a) all of the above b) minimum c) medium d) maximum Please provide accurate information so we can send your Achievement Certificate by mail. NameEmailPhone Number Your score is Share your achievement! 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