Civil Engineering – Strength of Materials Mock test – 2 Welcome to your Strength of Materials Mock test -2 Take an exciting test in Strength of Materials. You have only 20 mins to complete the test (25 Questions) Wish you all the best!!! Name Email 1. In a bar of large length when held vertically and subjected to a load at its lower end, its own-weight produces additional stress. The maximum stress will be A. at the lower cross-section B. at the built-in upper cross-section C. at the central cross-section D. at every point of the bar.2. The number of points of contraflexure in a simple supported beam carrying uniformly distributed load, is A. 1 B. 2 C. 3 D. 03. When equal and opposite forces applied to a body, tend to elongate it, the stress so produced, is called A. shear stress B. compressive stress C. tensile stress D. transverse stress.4. The shear force on a simply supported beam is proportional to A. displacement of the neutral axis B. sum of the forces C. sum of the transverse forces D. algebraic sum of the transverse forces of the section E. curvature of the neutral axis.5. In rectangular columns (cross-section b x h), the core is a A. rectangle of lengths b/2 and h/2 B. square of length b/2 C. rhombus of length h/2 D. rhombus of diagonals b/3 and h/36. The materials which have the same elastic properties in all directions, are called A. isotropic B. brittle C. homogeneous D. hard.7. A cylinder is said to be thin if the ratio of its thickness and diameter, is less than A. 1/25 B. 1/20 C. 1/15 D. 1/108. If a constant section beam is subjected to a uniform bending moment throughout, its length bends to A. a circular arc B. a parabolic arc C. a catenary D. none of these.9. In a three hinged arch, the shear force is usually A. maximum at crown B. maximum at springings C. maximum at quarter points D. varies with slope.10. A cantilever carrying a uniformly distributed load W over its full length is propped at its free end such that it is at the level of the fixed end. The bending moment will be zero at its free end also at A. mid point of the cantilever B. fixed point of the cantilever C. 1/4th length from free end D. 3/4th length from free end11. The maximum resistance against rotation, is offered by the weld at a point A. most distant B. least distant C. at either end D. centrally located.12. An arch with three hinges, is a structure A. statically determinate B. statically indeterminate C. geometrically unstable D. structurally sound but indeterminate13. For structural analysis of forces, the method refers to A. moment-area-theorem B. three-moment equation C. Maxwell's reciprocal theorem D. none of these.14. A solid cube is subjected to equal normal forces on all its faces. The volumetric strain will be x-times the linear strain in any of the three axes when A. x = 1 B. x = 2 C. x = 3 D. x = 415. The phenomenon of slow extension of materials having constant load, i.e. increasing with the time is A. creeping B. yielding C. breaking D. none of these.16. Struts are load carrying members of a frame structure which are subjected to A. axial tension loads B. axial compressive loads C. torsional loads D. transverse loads.17. The maximum bending moment due to a moving load on a simply supported beam, occurs A. at the mid span B. at the supports C. under the load D. anywhere on the beam E. none of these.18. If a three hinged parabolic arch carries a uniformly distributed load on its entire span, every section of the arch resists. A. compressive force B. tensile force C. shear force D. bending moment.19. In a three hinged arch, the third hinge is generally kept at A. crown of the arch B. midpoint of the crown and left support hinge C. midpoint of the crown and right support hinge D. none of these.20. The law which states, "within elastic limits strain produced is proportional to the stress producing it", is known as A. Bernoulli's law B. Stress law C. Hooke's law D. Poisson's law E. none of these.21. A cantilever beam rectangular in cross-section is subjected to an isolated load at its free end. If the width of the beam is doubled, the deflection of the free end will be changed in the ratio of A. 8 B. 1/8 C. 1/2 D. 222. The type of butt joints in common use, is : A. single inverted V-butt joint B. double V-butt joint C. double U-butt joint D. single V-butt joint.23. Stress in a beam due to simple bending, is A. directly proportional B. inversely proportional C. curvilinearly related D. none of these.24. An arch may be subjected to A. shear and axial force B. bending moment and shear force C. bending moment and axial force D. shear force and thrust E. thrust, shear force and bending moment.25. n and j are numbers of members and joints in a frame. It contains redundant members if A. n = 2j - 3 B. n = 3j - 2 C. n < 2j - 3 D. n < j - 2 E. n > 2j - 3 Share to all