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 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 2 / 50 2. Moment of inertia of a rectangular beam bxd is a) bd^3/12 b) bd^3/6 c) db^3/12 d) db^3/6 3 / 50 3. Which of the following gives Poisson's ratio? a) ratio of linear stress to linear strain b) ratio of shear stress to shear strain c) ratio of lateral strain to longitudinal strain d) ratio of the normal stress 4 / 50 4. *Tensile internal force tends to: a) crush the member b) elongate the member c) shorten the member d) smash the member 5 / 50 5. 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 6 / 50 6. *The unit failure stress is taken as : a) rupture stress b) ultimate stress c) failure stress d) fracture stress 7 / 50 7. *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 8 / 50 8. A column that fails primarily due to buckling is known as a) long column b) short column c) wear column d) medium column. 9 / 50 9. 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 10 / 50 10. *Mathematically, strain may be defined as a) the deformation per unit volume b) the deformation per unit area c) the deformation per unit length d) all of the above 11 / 50 11. The rate of change of shear force is called a) BM b) point load c) intensity of load d) slope 12 / 50 12. The ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length is a) 1/6 b) 1/5 c) 1/4 d) 1/3 13 / 50 13. The slope of the curve of S.F. diagram at any section will be equal to a) the slope of loading at that section b) the ordinate of loading diagram at that section c) the area of loading diagram from end to that section d) the bending moment at that section 14 / 50 14. *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 15 / 50 15. *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 16 / 50 16. What is strain energy? a) stress x strain b) volume x stress x strain c) energy that is spent for straining a body d) energy stored in a body because of being strained 17 / 50 17. *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 18 / 50 18. The stress in the member subjected to a force is a) continued deformation under sustained loading b) load per unit area c) the resistance offered by the material per unit area to a force d) the strain per unit length 19 / 50 19. The beam strongest in flexure will have the maximum a) moment of inertia b) section modulus c) area of cross-section d) none of the above 20 / 50 20. The crippling load for column of length 1, with one end fixed and the other end free is a) P = π^2EI/4l^2 b) P= π^2EI/l^2 c) P= 4π^2EI/l^2 d) P= π^2EI/l 21 / 50 21. *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 22 / 50 22. In simple bending theory, the assumption that a plane section before bending remains plane after bending implies that a) stress is proportional to strain at all sections b) strain is proportional to the distance from the neutral axis c) stress is uniform in the cross-section d) none of the above 23 / 50 23. *The compression test is commonly used for testing a) ductile materials b) rubber c) brittle materials d) none of the above 24 / 50 24. A beam of uniform strength will have at every cross-section the same a) deflection b) stiffness c) BM d) bending stress 25 / 50 25. A brittle material will a) fail suddenly b) fail after giving warning c) never fail d) none of the above 26 / 50 26. *Stress may be defined as force a) volume b) length c) area d) none of the above 27 / 50 27. 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 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. *Centrifugal force is given by a) v^2/R b) mv^2/R c) mxa d) all of the above 30 / 50 30. *Bending moment diagram of a simply supported beam having a uniformly distributed load is a) rectangular b) parabolic c) triangular d) all of the above 31 / 50 31. 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 32 / 50 32. Buckling load for a given column depends upon a) length of the column only b) least lateral dimension only c) both length and least lateral dimension d) none of the above 33 / 50 33. *The velocity of a moving body is: a) A vector quantity b) A scalar quantity c) A constant quantity d) None of the above 34 / 50 34. 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 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. *The maximum BM produced in a simply supported beam having a span of 4 m and subjected to a UDL of 10 kN/m a) 10 kN-m b) 20 kN-m c) 30 kN-m d) 40 kN-m 37 / 50 37. If a material has identical properties in all directions, it is said to be a) homogeneous b) isotropic c) elastic d) orthotropic 38 / 50 38. 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 39 / 50 39. 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 40 / 50 40. Find the maximum SF induced in a cantilever beam subjected to a point load of 10 KN and a length of the beam is 10 m. The load is located at a distance of 3 m from the free end a) 30 kN b) 7 kN c) 3 kN d) 10 kN 41 / 50 41. A body having similar properties throughout a) homogeneous b) isomorphic c) isotropic d) anisotropy 42 / 50 42. *BM in a cantilever beam having a span of 1.8m and a uniformly distributed load of 4kg/m a) 4.48 kg-m b) 5.48 kg-m c) 6.48 kg-m d) none of the above 43 / 50 43. The effective length of a column if both ends are hinged a) L b) 0.5L c) 2L d) 4L 44 / 50 44. *Hooke's law holds good up to: a) Yield point b) Plastic limit c) Elastic limit d) Breaking point 45 / 50 45. What is tenacity? a) ultimate strength in tension b) ultimate strength in compression c) ultimate shear strength d) ultimate impact strength 46 / 50 46. 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 47 / 50 47. *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 48 / 50 48. 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 49 / 50 49. 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 50 / 50 50. 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 Please provide accurate information so we can send your Achievement Certificate by mail. NameEmailPhone Number Your score isShare your achievement! 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