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. *Which of the following sections is the most efficient in carrying bending moments a) rectangular section b) circular section c) I-section d) T-section 2 / 50 2. *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. 3 / 50 3. 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 4 / 50 4. 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 5 / 50 5. *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 6 / 50 6. *If a cantilever beam of 8m long has a uniformly distributed load of 2KN/m throughout the length and a 10KN point load at the center of the beam, find the moment at the center: a) 8 KN-m b) 16 KN-m c) 32 KN-m d) 44 KN-m 7 / 50 7. 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 8 / 50 8. The bending moment diagram for a cantilever beam subjected to a moment at the end of the beam would be a) rectangle b) triangle c) parabola d) cubic parabola 9 / 50 9. The relation between deflection (y) and bending moment (M) is a) M = EI(dy/dx) b) M =-EI(d²y/dx²) c) M = EI(d²y/dx] d) none of the above 10 / 50 10. A long vertical member subjected to an axial compressive load is called a) column b) strut c) tie d) tanchion 11 / 50 11. *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 12 / 50 12. *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 13 / 50 13. The maximum shear stress will always occur at a) neutral axis b) top extreme fiber c) a fiber in the cross-section depending on configuration d) bottom extreme fiber 14 / 50 14. 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 15 / 50 15. 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 16 / 50 16. The moment of inertia of a rectangular (Bx D) section about its base is a) BD^3/12 b) DB^3/12 c) BD^3/3 d) DB^3/3 17 / 50 17. 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 18 / 50 18. A beam of uniform strength will have at every cross-section the same a) deflection b) stiffness c) BM d) bending stress 19 / 50 19. *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 20 / 50 20. *The unit failure stress is taken as : a) rupture stress b) ultimate stress c) failure stress d) fracture stress 21 / 50 21. *The law which states that within elastic limits strain produced is proportional to stress producing it is known as: a) Bernoulli's law b) yield stress c) Hooke's law d) Poisson's law 22 / 50 22. A column that fails primarily due to buckling is known as a) long column b) short column c) wear column d) medium column. 23 / 50 23. 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 24 / 50 24. Point of contraflexure is a point where bending moment a) minimum b) maximum c) zero d) changes sign 25 / 50 25. The rate of change of shear force is called a) BM b) point load c) intensity of load d) slope 26 / 50 26. *Maximum deflection of a simply supported beam subjected to concentrated load (w) at the mid-point is a) wL^3 / 8EI b) wL^3 / 48EI c) 5wL^3 / 48EI d) none of the above 27 / 50 27. If y is the deflection of the beam, then shear force is a) y b) dy/dx c) d²y/dx² d) d^3y/dx² 28 / 50 28. *The phenomenon of decreased resistance of material due to the reversal of stress is called a) creep b) fatigue c) elasticity d) plasticity 29 / 50 29. 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 30 / 50 30. *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 31 / 50 31. Find the maximum BM 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) 40 kN-m b) 50 kN-m c) 60 kN-m d) 70 kN-m 32 / 50 32. 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. 33 / 50 33. *The magnitude of a shear force at a distance of L/4 from either end of a simply supported beam with load P applied at midspan is equal to: a) P b) P/2 c) P/4 d) P/8 34 / 50 34. The variation of the bending moment in the portion of the beam carrying a linearly varying load is a) linear b) parabolic c) cubic d) deflection is zero 35 / 50 35. *Short column taking maximum load having equal section a) sal b) pcc c) chir d) none of the above 36 / 50 36. The ratio of moment of inertia of a square section to that of a circular section for a given depth is given by a) <1 b) >1 c) 1 d) none of the above 37 / 50 37. *The compression test is commonly used for testing a) ductile materials b) rubber c) brittle materials d) none of the above 38 / 50 38. The moment of inertia of an area will be least with respect to a) central axis b) horizontal axis c) vertical axis d) none of the above 39 / 50 39. *The velocity of a moving body is: a) A vector quantity b) A scalar quantity c) A constant quantity d) None of the above 40 / 50 40. Find the bending moment at the center and also find the maximum bending moment a) 10 kN-m, 12 kN-m b) 15 kN-m, 10 kN-m c) 20 kN-m, 12 kN-m d) 10 kN-m, 15 kN-m 41 / 50 41. In a beam where shear force is maximum, the bending moment will be a) maximum b) zero c) minimum d) no relation 42 / 50 42. 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 43 / 50 43. 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 44 / 50 44. *Centrifugal force is given by a) v^2/R b) mv^2/R c) mxa d) all of the above 45 / 50 45. *A truss is completely analyzed, when a) the direct stress in all the members are found b) all the external reaction components are determined c) the equilibrium is satisfied d) none of the above 46 / 50 46. *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 47 / 50 47. Which of the following is a relatively ductile material? a) cast iron b) wrought iron c) mild steel d) bronze 48 / 50 48. 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 49 / 50 49. 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 50 / 50 50. *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 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