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Strength of Materials 4
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Question 1 of 51
1. Question
1 pointsAccording to principle of moments
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Question 2 of 51
2. Question
1 pointsThe ratio of strengths of solid to hollow shafts, both having outside diameter D and hollow having inside diameter D/2, in torsion, is
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Question 3 of 51
3. Question
1 pointsAlong the neutral axis of a simply supported beam
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Question 4 of 51
4. Question
1 pointsA trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20 meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the span
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Question 5 of 51
5. Question
1 pointsIn case of an eccentric loading on a bracket subjected to moment M, the tangential force developed in any rivet, at right angles to its radius vector r is
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Question 6 of 51
6. Question
1 pointsA composite member shown in below figure was formed at 25°C and was made of two materials a and b. If the coefficient of thermal expansion of a is more than that of b and the composite member is heated upto 45°C, then
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Question 7 of 51
7. Question
1 pointsCoulomb friction is the friction between
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Question 8 of 51
8. Question
1 pointsThe ratio of the moment of inertia of a circular plate and that of a square plate for equal depth, is
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π

Question 9 of 51
9. Question
1 pointsThe principal stresses at a point are 100, 100 and 200 kgf/cm^{2}, the octahedral shear stress at the point is:
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√

Question 10 of 51
10. Question
1 pointsA sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal
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Question 11 of 51
11. Question
1 pointsThe energy stored in a beam of length subjected to a constant B.M. is
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Question 12 of 51
12. Question
1 pointsIn a simply supported beam L with a triangular load W varying from zero at one end to the maximum value at the other end, the maximum bending moment is
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√

Question 13 of 51
13. Question
1 pointsWhich is the correct statement about law of polygon of forces?
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Question 14 of 51
14. Question
1 pointsIf a member carries a tensile force P on its area of crosssection A, the normal stress introduced on an innclined plan making an angle with iys transverse plane,is
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θ

Question 15 of 51
15. Question
1 pointsFailure of riveted joints is due to
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Question 16 of 51
16. Question
1 pointsTwo noncollinear parallel equal forces acting in opposite direction
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Question 17 of 51
17. Question
1 pointsA simply supported wooden beam 150 cm long and having a cross section 16 cm × 24 cm carries a concentrated load, at the centre. If the permissible stress ft = 75 kg/cm^{2} and f_{s}= 10 kg/cm^{2} the safe load is
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Question 18 of 51
18. Question
1 pointsIf a steel rod of 20 mm diameter and 5 metres long elongates by 2.275 mm when subjected to an axial pull of 3000 kg, the stress developed, is
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Question 19 of 51
19. Question
1 pointsLeast force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction
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Question 20 of 51
20. Question
1 pointsIf a constant section beam is subjected to a uniform bending moment throughout, its length bends to
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Question 21 of 51
21. Question
1 pointsThe width b and depth d of a beam cut from a wooden cylindrical log of 100 cm diameter for maximum strength are:
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Question 22 of 51
22. Question
1 pointsWhich of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one
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Question 23 of 51
23. Question
1 pointsAs compared to uniaxial tension or compression, the strain energy stored in bending is only
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Question 24 of 51
24. Question
1 pointsStrain energy of any member may be defined as work done on it
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Question 25 of 51
25. Question
1 pointsEffect of a force on a body depends upon
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Question 26 of 51
26. Question
1 pointsIf n is the ratio of internal and external diameters of a hollow shaft, the ratio of the weight of the hollow shaft and that of solid shaft of same strength, will be
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Question 27 of 51
27. Question
1 pointsThe effect of arching a beam, is
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Question 28 of 51
28. Question
1 pointsD’ Alembert’s principle is used for
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Question 29 of 51
29. Question
1 pointsThe range within which a load can be applied on a rectangular column, to avoid any tensile stress, is
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Question 30 of 51
30. Question
1 pointsFor the same height, the bottom width for no tension,
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Question 31 of 51
31. Question
1 pointsCoefficient of friction is the
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Question 32 of 51
32. Question
1 pointsAn arch may be subjected to
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Question 33 of 51
33. Question
1 pointsThe shape of the bending moment diagram over the length of a beam, carrying a uniformly increasing load, is always
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Question 34 of 51
34. Question
1 pointsThe C.G. of a right circular solid cone of height h lies at the following distance from the base
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Question 35 of 51
35. Question
1 pointsFor a channel section, the shear centre lies at a distance of
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Question 36 of 51
36. Question
1 pointsFor the beam shown in below figure, the maximum positive bending moment is nearly equal to negative bending moment when L_{1} is equal to
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Question 37 of 51
37. Question
1 pointsA force is completely defined when we specify
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Question 38 of 51
38. Question
1 pointsIn a three hinged arch, the third hinge is generally kept at
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Question 39 of 51
39. Question
1 pointsThe stiffness factor for a prismatic beam of length L and moment of inertia I, is
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Question 40 of 51
40. Question
1 pointsof percussion is
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Question 41 of 51
41. Question
1 pointsThe weakest section of a diamond riveting, is the section which passes through
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Question 42 of 51
42. Question
1 pointsIf a solid shaft is subjected to a torque at its end such that maximum shear stress does not exceed f_{s} the diameter of the shaft will be
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Incorrect

Question 43 of 51
43. Question
1 pointsIf a solid shaft is subjected to a torque at its end such that maximum shear stress does not exceed fs the diameter of the shaft will be
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√

Question 44 of 51
44. Question
1 pointsPick up wrong statement about friction force for dry surfaces. Friction force is
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Question 45 of 51
45. Question
1 pointsThe shape of the bending moment diagram over the length of a beam, carrying a uniformly distributed load is always
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Incorrect

Question 46 of 51
46. Question
1 pointsThe maximum load to which a fillet joint of length can be subjected to, is
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Question 47 of 51
47. Question
1 pointsWhich of the following is not the unit of energy?
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Question 48 of 51
48. Question
1 pointsIn a beam, the neutral plane
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Question 49 of 51
49. Question
1 pointsThe moment diagram for a cantilever whose free end is subjected to a bending moment, will be a
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Question 50 of 51
50. Question
1 pointsThe algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of
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Question 51 of 51
51. Question
1 pointsThe law which states, “Within elastic limits strain produced is proportional to the stress producing it”, is known as
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