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. Rate of change of bending moment is equal to a) shear force b) slope c) deflection d) none of the above 2 / 50 2. 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 3 / 50 3. The maximum bending moment caused by a moment M applied at a distance 'a' from one end on a simply supported beam is.... (where L=span, a>L/2) a) M b) Ma/L c) M(L-a)/L d) ML/a 4 / 50 4. What is tenacity? a) ultimate strength in tension b) ultimate strength in compression c) ultimate shear strength d) ultimate impact strength 5 / 50 5. The maximum bending moment caused by a large number of equally spaced identical loads on a simply supported beam is (W = wL) a) WL/6 b) WL/8 c) WL/16 d) WL/2y 6 / 50 6. 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 7 / 50 7. The reaction at end A of the beam shown is a) 9 kN b) 3 kN c) 18 kN d) zero 8 / 50 8. *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 9 / 50 9. 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 10 / 50 10. 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 11 / 50 11. 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 12 / 50 12. 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 13 / 50 13. *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 14 / 50 14. *"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 15 / 50 15. *Load required to produce unit deflection is called a) stiffness b) ductility c) elasticity d) malleability 16 / 50 16. *The phenomenon of decreased resistance of material due to the reversal of stress is called a) creep b) fatigue c) elasticity d) plasticity 17 / 50 17. Load carrying capacity of fixed beam is a) lesser than simply supported beam b) lesser than the cantilever beam c) greater than simply supported beam and cantilever beam d) all of the above 18 / 50 18. The value of Poisson's ratio always remains a) greater than one b) lesser than one c) equal to one d) none of these 19 / 50 19. *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 20 / 50 20. 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 21 / 50 21. For a column, with both ends fixed, the crippling load will be equal to a) 2P b) 4P c) P/8 d) P/16 22 / 50 22. In the case of an H section, the maximum shear stress will occur at a) top fibers b) neutral axis c) bottom fibers d) at the junction of web and flanges 23 / 50 23. 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 24 / 50 24. *In a simply supported beam subjected to a point load at the center, the maximum bending moment occurs at a) left end b) right end c) center d) none of the above 25 / 50 25. *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 26 / 50 26. *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 27 / 50 27. *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 28 / 50 28. The method of increasing fatigue resistance by overstressing the metal by successively increasing the loading is known as a) compounding b) coaxing c) relaxing d) enduring 29 / 50 29. 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 30 / 50 30. The impact tests are used to determine a) ultimate crushing strength b) toughness c) ductility d) tenacity 31 / 50 31. 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 32 / 50 32. *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 33 / 50 33. *Stress in a beam due to simple bending is a) inversely proportional b) directly proportional c) curvilinear related d) all of the above 34 / 50 34. *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 35 / 50 35. 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 36 / 50 36. *In a simply supported beam with span (L) having a triangular load with its intensity 0 at both ends and W at center. The maximum BM will be a) WL/2 b) WL/2 c) WL^2/12 d) WL/9 37 / 50 37. 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 38 / 50 38. A brittle material has a) no plastic zone b) no inelastic zone c) a very little plastic zone d) a large plastic zone 39 / 50 39. The effective length of a column if both ends are hinged a) L b) 0.5L c) 2L d) 4L 40 / 50 40. 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 41 / 50 41. 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 42 / 50 42. 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 43 / 50 43. 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 44 / 50 44. 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 45 / 50 45. Permanent set is a) the force that acts permanently on the body b) irrecoverable deformation in the body c) the shape of the member just after the completion of construction d) the ratio of Poisson's ratio to Young's modulus 46 / 50 46. 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 47 / 50 47. "When a rectangular beam is loaded transversely the maximum compressive stress is developed on the : a) top layer b) bottom layer c) neutral axis d) every cross section 48 / 50 48. 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 49 / 50 49. 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 50 / 50 50. The maximum deflection of a simply supported beam subjected to a uniformly distributed load (w) over the span is a) WL^3 / 8EI b) WL^3 / 48EI c) 5WL^3 / 48EI d) 5WL^3 / 384EI 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. 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