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. *Hooke's law holds good up to: a) Yield point b) Plastic limit c) Elastic limit d) Breaking point 2 / 50 2. The number of reaction components at a hinge on rollers support is a) 1 b) 2 c) 4 3 / 50 3. The number of reaction components at a hinged end of a general loading is a) 1 b) 2 c) 3 d) 4 4 / 50 4. 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 5 / 50 5. *The compression test is commonly used for testing a) ductile materials b) rubber c) brittle materials d) none of the above 6 / 50 6. 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 7 / 50 7. *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 8 / 50 8. 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 9 / 50 9. *Toughness is a) the ability to absorb energy during plastic deformation b) higher ultimate strength c) stress at field d) strain energy at field 10 / 50 10. If the Poisson's ratio of a material is 0.25, the ratio of Modulus of Rigidity to the Young's Modulus is a) 2 b) 0.4 c) 2.5 d) 4 11 / 50 11. 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 12 / 50 12. 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 13 / 50 13. 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 14 / 50 14. The rate of change of shear force is called a) BM b) point load c) intensity of load d) slope 15 / 50 15. 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 16 / 50 16. A column that fails primarily due to buckling is known as a) long column b) short column c) wear column d) medium column. 17 / 50 17. 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 18 / 50 18. *"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 19 / 50 19. *The unit failure stress is taken as : a) rupture stress b) ultimate stress c) failure stress d) fracture stress 20 / 50 20. *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 21 / 50 21. *Strut is a a) horizontal member b) vertical member c) inclined member d) compression member 22 / 50 22. What is tenacity? a) ultimate strength in tension b) ultimate strength in compression c) ultimate shear strength d) ultimate impact strength 23 / 50 23. *Centrifugal force is given by a) v^2/R b) mv^2/R c) mxa d) all of the above 24 / 50 24. 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 25 / 50 25. The bending moment in a cable carrying a system of loads will be a) zero at all point b) minimum at the center c) maximum at the center d) none of the above 26 / 50 26. The moment of inertia of a square section is given by a) I = b^4/12 b) I = b^3/12 c) I = b^4 d) I = b^4/3 27 / 50 27. *In the case of a fixed beam loaded at a point at its center, the number of points at which BM is zero a) 1 b) 2 c) 3 d) 4 28 / 50 28. 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 29 / 50 29. 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 30 / 50 30. The difference in ordinate of the shear force between any two sections is equal to the area under a) shear curve between these two sections b) load curve between these two sections c) bending moment curve between these two sections d) load curve between these two sections plus concentrated load applied between the sections 31 / 50 31. 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 32 / 50 32. 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 33 / 50 33. A cantilever beam of span 4m and carrying a point load of 10 kN located at 3m from the fixed end. Find the BM at the fixed and free end a) 30 kN-m, 0 b) 30 kN-m, 10 kN-m c) 10 kN-m, 30 kN-m d) none of the above 34 / 50 34. Maximum bending moment occurs at the center if the simply supported beam is subjected to a) point load of center b) uniformly distributed load throughout the span c) triangular load with maximum intensity at the center d) all of the above 35 / 50 35. A cantilever beam is the one which is supported with a) one end hinge and other on rollers b) one end fixed and other on rollers c) both ends on rollers d) one end fixed and the other free 36 / 50 36. *The shear force and bending moment are related by a) V = M/Z b) V = MY/I c) V = dM/dx d) V = Mdx 37 / 50 37. *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 38 / 50 38. 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 39 / 50 39. 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 40 / 50 40. *The law "Stress is proportional to strain within certain limits" is formulated by a) Thomas Youngs b) Poisson c) Mohr d) Robert Hook 41 / 50 41. Shape of the bending moment diagram for a simply supported beam having a point load at the center is a) parabolic b) square c) rectangular d) triangular 42 / 50 42. Point of contraflexure is a point where bending moment a) minimum b) maximum c) zero d) changes sign 43 / 50 43. The maximum bending moment caused by a moving load on a fixed-end beam occurs a) at the support b) under the load c) at mid span d) none of the above 44 / 50 44. 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 45 / 50 45. *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 46 / 50 46. The moment of inertia of a triangular section b x h about the base is a) bh^3/12 b) bh^3/18 c) bh^3/36 d) all of the above 47 / 50 47. 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 48 / 50 48. The c.g. of a semi-circular arc is a) r/π b) r/2π c) r/3π d) 2r/π 49 / 50 49. 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 50 / 50 50. *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 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