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. Normally, the numerical value of Poisson's is a) 0.3 for steel b) 0.15 for concrete c) both (a) and (b) of the above d) none of the above 2 / 50 2. *The inclined member carrying compressive load in the case of frames and trusses is a) Post b) stanchion c) strut d) column 3 / 50 3. In an I section, almost all the shear force is taken by a) top flange b) web c) bottom flange d) none of the above 4 / 50 4. If y is the deflection of the beam, then shear force is a) y b) dy/dx c) d²y/dx² d) d^3y/dx² 5 / 50 5. A long vertical member subjected to an axial compressive load is called a) column b) strut c) tie d) tanchion 6 / 50 6. *If a beam is loaded transversely, the maximum compressive stress develops on a) top fiber b) neutral axis c) bottom fiber d) every cross-section 7 / 50 7. The maximum deflection in a cantilever beam carrying a uniformly distributed load (w) over spans is (Where L is span of beam, W is total load and EI is flexural rigidity) a) 3WL^3 / 2EI b) WL^3 / 8EI c) WL^3 / 5EI d) WL^3 / 3EI 8 / 50 8. *As per the elastic theory of design, the factor of safety is the ratio of a) working stress to field stress b) yield stress to working stress c) ultimate stress to yield stress d) ultimate load to load at yield 9 / 50 9. *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 10 / 50 10. *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 11 / 50 11. The shear force on a beam is proportional to a) curvature of the axis b) displacement of the axis c) sum of the forces d) sum of the transverse forces 12 / 50 12. *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 13 / 50 13. The rate of change of shear force is called a) BM b) point load c) intensity of load d) slope 14 / 50 14. In the case of a simply supported beam subjected to UDL, the maximum shear force occurs at a point a) support b) centre c) 1/3 d) none of the above 15 / 50 15. 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 16 / 50 16. 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 17 / 50 17. *The tension in a cable supporting a lift a) is more when the lift is moving downwards b) is less when the lift is moving upwards c) Remains constant whether it moves downwards or upwards d) is less when the lift is moving downwards 18 / 50 18. *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 19 / 50 19. *Tensile internal force tends to: a) crush the member b) elongate the member c) shorten the member d) smash the member 20 / 50 20. If a material has identical properties in all directions, it is said to be a) homogeneous b) isotropic c) elastic d) orthotropic 21 / 50 21. Which of the following is a relatively ductile material? a) cast iron b) wrought iron c) mild steel d) bronze 22 / 50 22. The difference between SF values at any two sections will be equal to a) the area of bending moment between the two sections b) the difference between the slopes of the curve of the loading diagram at two sections c) the ordinate of shear force diagram at one section plus the slope of the loading diagram multiplied by the distance between two sections d) the area of the loading diagram between those two sections 23 / 50 23. *The shear force and bending moment are related by a) V = M/Z b) V = MY/I c) V = dM/dx d) V = Mdx 24 / 50 24. Find the maximum BM induced in a simply supported 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) 8 KN-m b) 4 KN-m c) 2 KN-m d) 1 KN-m 25 / 50 25. 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 26 / 50 26. 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 27 / 50 27. *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 28 / 50 28. 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 29 / 50 29. The moment of inertia of a triangular section b x h about the c-g is a) bh^3 / 12 b) bh^3 / 18 c) bh^3/36 d) all of the above 30 / 50 30. *A point where SF is zero, BM is a) maximum b) minimum c) either maximum or minimum d) none of the above 31 / 50 31. *The bending moment at a section tends to bend or deflect the beam and internal stresses resist its bending. The resistance offered by the internal stress to the bending, is called: a) compressive stress b) shear stress c) bending stress d) elastic modulus 32 / 50 32. *Thrust is induced in the case of a) vertical load b) inclined load c) vertical & inclined load d) none of the above 33 / 50 33. 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 34 / 50 34. *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 35 / 50 35. *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 36 / 50 36. 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 37 / 50 37. *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 38 / 50 38. *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 39 / 50 39. 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 40 / 50 40. The number of points of contraflexture in a simply supported beam carrying udl is a) 1 b) 2 c) 3 41 / 50 41. A column that fails primarily due to direct stress is called a) long column b) short column c) weak column d) none of the above 42 / 50 42. *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 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. 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 45 / 50 45. A Prismatic bar when subjected to pure bending assumes the shape of a) catenary b) parabola c) cubic parabola d) arc of a circle 46 / 50 46. *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 47 / 50 47. *A beam is said to be loaded in pure bending when a) Bending moment is constant b) Bending moment is zero c) Bending moment is changing linearly d) Bending moment and shear force are changing linearly 48 / 50 48. 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 49 / 50 49. 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 50 / 50 50. *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 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