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. *Centrifugal force is given by a) v^2/R b) mv^2/R c) mxa d) all of the above 2 / 50 2. *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 3 / 50 3. The crippling load for a column with both ends hinged is a) πΕΙ/ L^2 b) π^2EI/4L^2 c) π^2EI/L^2 d) 4π^2EI/L^2 4 / 50 4. *Compression members always tend to buckle in the direction of the a) parallel to the axis of the load b) perpendicular to the axis of the load c) least radius of gyration d) least cross-section 5 / 50 5. 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 6 / 50 6. *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. 7 / 50 7. The radius of gyration of a rectangular section is not proportional to a) the square root of the moment of inertia b) the square root of the inverse of the area c) the square root of the moment of inertia divided by the area of the section d) none of the above 8 / 50 8. A body having similar properties throughout a) homogeneous b) isomorphic c) isotropic d) anisotropy 9 / 50 9. 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 10 / 50 10. *The rate of change of shear force is called a) bending moment b) slope c) deflection d) intensity of load 11 / 50 11. The phenomenon of slow growth of strain under steady tensile stress, i.e., increasing with time, is called a) yielding b) creeping c) breaking d) none of the above 12 / 50 12. 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 13 / 50 13. If a material has identical properties in all directions, it is said to be a) homogeneous b) isotropic c) elastic d) orthotropic 14 / 50 14. 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 15 / 50 15. 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 16 / 50 16. *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 17 / 50 17. Which of the following end conditions permits the displacement in any direction and also rotation a) fixed end b) hinge end c) free end d) roller end 18 / 50 18. The maximum bending moment caused on a simply supported beam subjected to two equal concentrated loads (W/2) spaced at an equal distance (L/3) over the span is a) WL/8 b) WL/6 c) WL/4 d) WL/2 19 / 50 19. *"A simply supported beam of span L carries a uniformly distributed load W. The maximum bending moment, M is: a) WL/2 b) WL/4 c) WL/8 d) WL/16 20 / 50 20. *A beam is said to be loaded in pure bending when a) Bending moment is constant b) Bending moment is zero c) Bending moment is changing linearly d) Bending moment and shear force are changing linearly 21 / 50 21. The diagram showing the variation of axial load along the span is called a) thrust diagram b) shear force diagram c) bending moment diagram d) none of the above 22 / 50 22. *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 23 / 50 23. The value of Poisson's ratio always remains a) greater than one b) lesser than one c) equal to one d) none of these 24 / 50 24. *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 25 / 50 25. *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. 26 / 50 26. 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 27 / 50 27. 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 28 / 50 28. The reaction at end A of the beam shown is a) 9 kN b) 3 kN c) 18 kN d) zero 29 / 50 29. *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 30 / 50 30. A brittle material will a) fail suddenly b) fail after giving warning c) never fail d) none of the above 31 / 50 31. *If the shear force along a section of a beam is zero, the bending moment at the section is: a) zero b) maximum c) minimum d) average of maximum-minimum 32 / 50 32. 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 33 / 50 33. 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 34 / 50 34. Shear force diagram for a cantilever carrying a UDL over its whole length is a) rectangle b) triangle c) parabola d) cubic parabola 35 / 50 35. 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 36 / 50 36. If y is the deflection of the beam, then shear force is a) y b) dy/dx c) d²y/dx² d) d^3y/dx² 37 / 50 37. The equivalent length of column fixed at one end and free at the other end is a) 2l b) 0.75l c) 1l d) 1.25l 38 / 50 38. Identify the correct relationship that exists among the modulus of elasticity (E), modulus of rigidity (N), and bulk modulus (k) is a) E= 3K+N/9KN b) E= 3KN/3K+N c) E= 9KN/3K+N d) E= K/N 39 / 50 39. 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 40 / 50 40. The maximum number of transverse shear forces possible at one end of an element of a plane frame are a) zero b) one c) two d) three 41 / 50 41. *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 42 / 50 42. 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 43 / 50 43. 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 44 / 50 44. A brittle material has a) no plastic zone b) no inelastic zone c) a very little plastic zone d) a large plastic zone 45 / 50 45. According to Hook's law, which one is correct? a) σ=E b) σE=1 c) σ = Εε d) all of the above 46 / 50 46. 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 47 / 50 47. The difference between BM values at any two sections will be equal to a) the area of SF diagram between those two sections b) the area of loading diagram between the two sections c) the area of loading diagram d) the area of bending moment between the two sections 48 / 50 48. 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 49 / 50 49. Point of contraflexure is a point where bending moment a) minimum b) maximum c) zero d) changes sign 50 / 50 50. *Normal strain is defined as a) rate of change of length b) strain that normally occurs c) strain that is normal to shear strain d) deformation normal to the force 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. 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