Civil Engineering – Strength of Materials Mock Test – 1 Welcome to your Strength of Materials Mock Test - 1 Take an exciting test in Strength of Materials You have only 20 mins to complete the test (20 Questions) Wish you all the best!!! Nmae Email 1) The stress necessary to initiate yielding, is considerably A. more than that necessary to continue it B. less than that necessary to continue it C. more than that necessary to stop it D. less than that necessary to stop it.2) If the length of a cantilever carrying an isolated load at its free end is doubled, the deflection of the free end will increase by A. 8 B. 1/8 C. 1/3 D. 2 E. 33) The B.M. diagram of the beam shown in below figure, is A. a rectangle B. a triangle C. a trapezium D. a parabola E. a circle.4) The value of Poisson's ratio always remains A. greater than one B. less than one C. equal to one D. none of these.5) For a beam having fixed ends, the unknown element of the reactions, is A. horizontal components at either end B. vertical components at either end C. horizontal component at one end and vertical component at the other D. horizontal and vertical components at both the ends.6) If all the dimensions of a bar are increased in the proportion n : 1, the proportion with which the maximum stress produced in the prismatic bar by its own weight, will increase in the ratio A. 1 : n B. n : 1 C. 1 : 1/n D. 1/n : 1 E. 1 : Sqrt(n). 7) If the depth of a simply supported beam carrying an isolated load at its centre, is doubled, the deflection of the beam at the centre will be changed by a factor of A. 2 B. 1/2 C. 8 D. 1/8 E. 4 8) The equivalent length of a column fixed at one end and free at the other end, is A. 0.5 l B. 0.7 l C. l D. 2 l E. 1.5 l9) The equivalent length of a column fixed at both ends, is A. 0.5 l B. 0.7 l C. l D. 2 l E. 1.5 l.10) The rise of a parabolic arch at quarter points, is equal to A. 1/3 times the rise of the crown B. 1/4 times the rise of the crown C. 1/2 times the rise of the crown D. 3/4 times the rise of the crown E. 5/8 times the rise of the crown.11) The effect of arching a beam, is A. to reduce the bending moment throughout B. to increase the bending moment throughout C. nothing on the bending throughout D. ail the above.12) The phenomenon of slow growth of strain under a steady tensile stress, is called A. yielding B. creeping C. breaking D. none of these.13) Hooke's law states that stress and strain are A. directly proportional B. inversely proportional C. curvilinearly related D. none of these.14) A column is said to be of medium size if its slenderness ratio is between A. 20 and 32 B. 32 and 120 C. 120 and 160 D. 160 and 180 E. 180 and 20015) Ties are load carrying members of a frame, which are subjected to A. transverse loads B. axial tension loads C. axial compressive loads D. torsional loads.16) At either end of a plane frame, maximum number of possible transverse shear forces, are A. one B. two C. three D. four E. zero.17) The cross sections of the beams of equal length are a circle and a square whose permissible bending stress are same under same maximum bending. The ratio of their flexural weights is, A. 1.118 B. 1.338 C. 1.228 D. 1.10818) When two plates butt together and are riveted with two cover plates with two rows of rivets, the joint is known as A. lap joint B. butt join C. single riveted single cover butt joint D. double riveted double cover butt joint.,19) The moment diagram for a cantilever which is subjected to a uniformly distributed load will be a A. triangle B. rectangle C. parabola D. cubic parabola.20) The areas of cross-section of a square beam and a circular beam subjected to equal bending moments, are same. A. circular beam is more economical B. square beam is more economical C. both the beams are equally strong D. both the beams are equally economical E. none of these.