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. The value of buckling load is ... than the crushing load in the case of a long column a) less b) more c) equal d) none of the above 2 / 50 2. *The velocity of a moving body is: a) A vector quantity b) A scalar quantity c) A constant quantity d) None of the above 3 / 50 3. If the elasticity of the material is zero then the material is said to be a) rigid b) perfect c) plastic d) all of the above 4 / 50 4. The algebraic sum of the shear flow of a section in any direction must be equal to a) zero b) net shear force c) the shear force in that direction d) none of the above 5 / 50 5. *Mathematically, strain may be defined as a) the deformation per unit volume b) the deformation per unit area c) the deformation per unit length d) all of the above 6 / 50 6. A beam of uniform strength will have at every cross-section the same a) deflection b) stiffness c) BM d) bending stress 7 / 50 7. 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 8 / 50 8. 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 9 / 50 9. 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 10 / 50 10. 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 11 / 50 11. *Stress in a beam due to simple bending is a) inversely proportional b) directly proportional c) curvilinear related d) all of the above 12 / 50 12. 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 13 / 50 13. The shear force on a beam and the displacement are related by a) V = EI(d^2y/dx^2) b) V = EI(d^3y/dx^2) c) V = EI(d^3y/dx^3) d) none of the above 14 / 50 14. 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 15 / 50 15. What is tenacity? a) ultimate strength in tension b) ultimate strength in compression c) ultimate shear strength d) ultimate impact strength 16 / 50 16. *The inclined member carrying compressive load in the case of frames and trusses is a) Post b) stanchion c) strut d) column 17 / 50 17. *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 18 / 50 18. *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 19 / 50 19. *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 20 / 50 20. 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 21 / 50 21. *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 22 / 50 22. For a column of given material, the Rankine's constant depends on a) length of the column. b) diameter of column c) moment of inertia of column d) none of the above 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. The stress due to temperature change in a member depends on a) cross-section of the member b) length of the member c) supporting end conditions d) none of the above 25 / 50 25. 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 26 / 50 26. *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 27 / 50 27. *The ratio of change in volume to the original volume is called: a) linear strain b) lateral strain c) volumetric strain d) Poisson's ratio 28 / 50 28. The section modulus of a rectangular section is proportional to a) area of the section b) square of the area of the section c) product of the area & depth d) half moment of inertia of the section 29 / 50 29. Euler's formula for a column of length 1, with one end fixed and other hinged is a) P= 2π^2EI/l^2 b) P = π^2EI/4l^2 c) P= 4π^2EI/l^2 d) none of the above 30 / 50 30. 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 31 / 50 31. 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 32 / 50 32. *"If a rod is simultaneously pulled at both of its ends, it will be a case of: a) axial loading b) vertical loading c) horizontal loading d) none of these 33 / 50 33. *A diagram that shows the variation of axial force a) BMD b) SFD c) thrust diagram d) stress diagram 34 / 50 34. Which of the following is a relatively ductile material? a) cast iron b) wrought iron c) mild steel d) bronze 35 / 50 35. The maximum deflection of a beam occurs at a) zero shear force location b) zero slope location c) zero bending moment location d) none of the above 36 / 50 36. 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 37 / 50 37. 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 38 / 50 38. 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 39 / 50 39. Point of contraflexure is a point where bending moment a) minimum b) maximum c) zero d) changes sign 40 / 50 40. *Determinate beam can be analyzed with the help of a) two equations of statics b) three equations of statics c) four equations of statics d) five equations of statics 41 / 50 41. *The centre of gravity of a triangle is at the point where three a) medians of the triangle meet b) perpendicular bisectors of the sides of the triangle meet c) bisectors of the angle of the triangle meet d) none of these 42 / 50 42. *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 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. The equivalent length of column fixed at one end and free at the other end is a) 2l b) 0.75l c) 1l d) 1.25l 45 / 50 45. *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 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. 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 48 / 50 48. *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 49 / 50 49. 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 50 / 50 50. *The amount of shear force at the maximum bending moment a) all of the above b) minimum c) medium d) maximum 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