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. If a material has identical properties in all directions, it is said to be a) homogeneous b) isotropic c) elastic d) orthotropic 2 / 50 2. 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 3 / 50 3. *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 4 / 50 4. 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 5 / 50 5. A simply supported beam of length I carries a load varying uniformly from zero at the left end to the maximum at the right end. The maximum bending moment occurs at a distance of a) 1/√3 from the left end b) 1/3 from left end c) 1/√3 from the right end d) 1/3 from the right end 6 / 50 6. "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 7 / 50 7. The number of points of contraflexture in a simply supported beam carrying udl is a) 1 b) 2 c) 3 8 / 50 8. *Proof resilience is the greatest stored energy at a) limit of proportionality b) elastic limit c) plastic limit d) yield point 9 / 50 9. *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 10 / 50 10. According to Hook's law, which one is correct? a) σ=E b) σE=1 c) σ = Εε d) all of the above 11 / 50 11. The reaction at end A of the beam shown is a) 9 kN b) 3 kN c) 18 kN d) zero 12 / 50 12. 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 13 / 50 13. *Moment of inertia of an object having rectangular section of 'b' as width and 'd' as depth is given by: a) bd^3/12 b) bd^2/24 c) b^2d^2/12 d) db^3/24 14 / 50 14. For keeping the stress wholly permissible, the load may be applied to a circular column anywhere within a concentric circle of diameter a) d/2 b) d/3 c) d/4 d) d/5 15 / 50 15. *The maximum deflection of a simply supported beam subjected to a concentrated load (W) at the midpoint is a) WL^3 / 8EI b) WL^3 / 48EI c) 5WL^3 / 48EI d) none 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. The slope of the curve of B.M. diagram at any section will be equal to a) the slope of loading at that section b) the slope of shear force diagram at that section c) the ordinate of shear force diagram at that section d) the area of shear force diagram starting from any one end 18 / 50 18. *The total time of collision and restitution of two bodies is called a) time of collision b) period of collision c) period of impact d) all the above 19 / 50 19. 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 20 / 50 20. A shear force diagram of a simply supported beam shows constant shear force throughout the span. It is subjected to a) two concentrated loads spaced at points b) a couple at mid span c) a uniformly distributed load d) none of the above 21 / 50 21. *As the elastic limit reaches, tensile strain a) decreases more rapidly b) increases more rapidly c) decreases in proportion to the stress d) increases in proportion to the stress 22 / 50 22. *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 23 / 50 23. 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 24 / 50 24. *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 25 / 50 25. *The maximum bending moment caused by a moving load on a simply supported beam is a) at the support b) under the load c) at mid span d) none of the above 26 / 50 26. 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 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. The property of material by which it can be beaten or rolled into plates is called a) malleability b) ductility c) plasticity d) elasticity 29 / 50 29. *The compression test is commonly used for testing a) ductile materials b) rubber c) brittle materials d) none of the above 30 / 50 30. The c.g. of a semi-circular arc is a) r/π b) r/2π c) r/3π d) 2r/π 31 / 50 31. A Prismatic bar when subjected to pure bending assumes the shape of a) catenary b) parabola c) cubic parabola d) arc of a circle 32 / 50 32. An isotropic material has a) elastic mass b) homogeneous mass c) elastoplastic mass d) none of the above 33 / 50 33. A cantilever beam is one which is: a) Fixed at both ends b) Fixed at one end and free at other end c) Supported at its ends d) Supported on more than two supports 34 / 50 34. *The stress at which the extension of a material takes place more quickly as compared to the increase in load is called a) elastic limit b) plastic limit c) breaking point d) yielding point 35 / 50 35. The maximum number of transverse shear forces possible at one end of an element of a plane truss are a) zero b) one c) two d) three 36 / 50 36. *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 37 / 50 37. 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 38 / 50 38. 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 39 / 50 39. 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 40 / 50 40. A brittle material has a) no plastic zone b) no inelastic zone c) a very little plastic zone d) a large plastic zone 41 / 50 41. *The stress at which the extension of a material takes place more quickly as compared to the increase in load is called a) breaking point b) plastic point c) yielding point d) elastic point 42 / 50 42. *The law "Stress is proportional to strain within certain limits" is formulated by a) Thomas Youngs b) Poisson c) Mohr d) Robert Hook 43 / 50 43. In a fixed beam, the points of contraflexure, a) for a UDL load are 2 b) for a concentrated load are 2 c) for a moment applied load are 2 d) all of the above 44 / 50 44. The region of c/s of a column in which compressive load may be applied without producing tensile load is known as a) core b) more c) compression area d) tension area 45 / 50 45. 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 46 / 50 46. 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 47 / 50 47. The expression EI(d^4y/dx^4) at any section for a beam is equal to a) load intensity at the section b) shear force at the section c) BM at the section d) slope of the section 48 / 50 48. *The inclined member carrying compressive load in the case of frames and trusses is a) Post b) stanchion c) strut d) column 49 / 50 49. *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 50 / 50 50. How does Young's Modulus vary with an increase in temperature? a) will increase b) will not be affected c) will decrease d) impossible to predict 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