టీఎస్పీఎస్స ఏఈ, మేనేజర్ (ఇంజనీరింగ్)
Strength of materials
1. Area of S.F.D between two sec of a beam is 140 KN-M. The change of B.M. between those two sec is
1) 70 KN-M 2) 140 KN-M
3) 280 KN-M 4) none
2. Two beams one of circular sec and the other a square of same length strength the ratio of weight of circular to square
1) 1.118 2) 1.342
3) 1.00 4) 0.793
3. An amount which should be removed from top and bottom of a circular section of dia `d' to obtain maximum modulus of section
1) 0.01 d 2) 0.1d
3) 0.011d 4) 0.11d
4. The depth of the strongest timber beam of sect c/s which would be cut of a cylindrical log of dia `d' is
1) dÖ3 2) dÖ2 3) Ö2/3 d 4) Ö3/2 n
5. If a beam is cut in halves horizontally and the two halves are laid side by side it can be compausion to the original beam carry
1) the same load 2) double the load
3) half the load 4) ¼ of load
6. The properly of a liquid which enable it to stick to another body with which its comes into contact
1) cohesion 2) surface tension
3) density 4) adhesion
7. Dimensions of kinematics viscosity are
1) m/s 2) kg-s/m2
3) m2/s 4) kg (m-s)
8. A cantilever beam of length `l' is loaded at the free end by a point load 'w'. If the flexural rigidity of the beam is doubled, the new deflection decreased by _______ times
1) 2 2) 3 3) 4 4) 2/3
9. By integrating the elastic line we obtain
1) intensity of load 2) S.F
3) Slope 4) deflection
10. The point of contraflexure in a fixed beam carrying UDL will occur at a dist
from the centre
1) 0.211 l 2) 0.5 l
3) 0.4 l 4) 0.15 l
11. In a Simply supported beam carrying eccentric load `W' . Write the formula for deflection under load
1) 2) 3) 3) none
12. Radius of gyration of solid circular column is
1) D/4 2) D/8 3) D/2 4) D/16
13. Polar M.I. is
1) M.I about z-axis of member
2) M.I about x-axis of member
3) M.I. about y-axis of member
4) M.I about x.y-axis
14. If the cylindrical is subjected to external water pressure, then the hoop stress is
1) compressive 2) tensile
3) shear 4) bending
15. The relation between the volumetric strain, longitudinal and circumferential strain is given by;
1) ev = 2 ec + eL 2) eL = 2 ev + ec
3) ec = 2 eL + ev 4) ev + ev + eL
16. Column will be having Maximum buckling load, if its
1) both ends are fixed
2) one end fixed and other hinged
3) both ends are hinged
4) one end fixed and one end free
17. Least radius of gyration square column; 1) a2/Ö3 2) a/2Ö3
3) a3/4Ö3 4) none
18. The minimum compressive stress develop in a dam is at
1) centre 2) heel 3) toe 4) 1/3 rd
19. The condition for a redundant frame is 1) n = 2j-3 2) n<2j-3
3) n > 2j-3 4) none
20. No tension is produced at the base of retaining wall of width B, when eccentrically is less than
1) B/3 2) B/6 3) B/2 4) B/4
21. The moment or resistance of diagonal square section is ____times the square section
1) 1.713 2) 1.414
3) 1.5 4) 1
22. In a cantilever truss, the member in the bottom chord due to downward vertical loading is subjected to
1) tensile stress 2) compressive stress
3) shear stress 4) bending stress
23. The conjugate beam for a fixed beam is
1) another fixed beam
2) A S.S. beam
3) propped contilever beam
4) beam without supports
24. For a retaining wall, factor of safety against sliding is;
1) 1.2 2) 1.5 3) 2.0 4) 0.5
25. Euler's clipping load is applicable, when the column is in _______ equilibrium
1) stable 2) unstable
3) neutral 4) none
Answers
1) 2 2) 1 3) 3 4) 3 5) 3
6) 4 7) 3 8) 1 9) 3 10) 4
11) 2 12) 1 13) 1 14) 2 15) 1
16) 1 17) 2 18) 2 19) 3 20) 2
21) 2 22) 2 23) 4 24) 2 25) 3
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