The Following Section consists of Multiple Choice Questions on Strength of Materials. Take the test on Strength of Materials problems.
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Strength of Materials MCQ
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Question 1 of 20
1. Question
1 pointsAs compared to uniaxial tension or compression, the strain energy stored in bending is only
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Question 2 of 20
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 20
3. Question
1 pointsThe weakest section of a diamond riveting, is the section which passes through
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Question 4 of 20
4. Question
1 pointsIn a loaded beam, the point of contraflexture occurs at a section where
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Question 5 of 20
5. Question
1 pointsThe ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length, is
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Question 6 of 20
6. Question
1 pointsA threehinged arch is said to be :
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Question 7 of 20
7. Question
1 pointsThe shape of the bending moment diagram over the length of a beam, having no external load, is always
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Question 8 of 20
8. Question
1 pointsPick up the incorrect statement
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Question 9 of 20
9. Question
1 pointsA beam of length L is pinned at both ends and is subjected to a concentrated bending couple of moment M at its centre. The maximum bending moment in the beam is
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Question 10 of 20
10. Question
1 pointsIf two forces acting at a joint are not along the straight line, then for the equilibrium of the joint
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Question 11 of 20
11. Question
1 pointsIf the shear force along a section of a beam is zero, the bending moment at the section is
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Question 12 of 20
12. 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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Question 13 of 20
13. Question
1 pointsThe ratio of the maximum deflections of a beam simply supported at its ends with an isolated central load and that of with a uniformly distributed load over its entire length, is
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Question 14 of 20
14. Question
1 pointsThe minimum number of rivets for the connection of a gusset plate, is
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Question 15 of 20
15. Question
1 pointsThe slenderness ratio of a vertical column of a square crosssection of 2.5 cm sides and 300 cm length, is
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Question 16 of 20
16. Question
1 pointsThe maximum twisting moment a shaft can resist, is the product of the permissible shear stress and
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Question 17 of 20
17. Question
1 pointsFor a simply supported beam with a central load, the bending moment is
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Question 18 of 20
18. 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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Question 19 of 20
19. Question
1 pointsIf the width of a simply supported beam carrying an isolated load at its centre is doubled, the deflection of the beam at the centre is changed by
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Question 20 of 20
20. Question
1 pointsThe deflection of any rectangular beam simply supported, is
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Strength of Materials MCQ 2
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Question 1 of 20
1. Question
1 pointsStrain energy is the
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Question 2 of 20
2. Question
1 pointsThe neutral axis of the crosssection a beam is that axis at which the bending stress is
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Question 3 of 20
3. Question
1 pointsEuler’s formula holds good only for
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Question 4 of 20
4. Question
1 pointsThe object of caulking in a riveted joint is to make the joint
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Question 5 of 20
5. Question
1 pointsA steel bar of 5 mm is heated from 15° C to 40° C and it is free to expand. The bar Will induce
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Question 6 of 20
6. Question
1 pointsA body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum normal stress will be
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Question 7 of 20
7. Question
1 pointsThe stress induced in a body, when suddenly loaded, is __________ the stress induced when the same load is applied gradually.
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Question 8 of 20
8. Question
1 pointsA masonry dam may fail due to
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Question 9 of 20
9. Question
1 pointsThe maximum diameter of the hole that can be punched from a plate of maximum shear stress 1/4th of its maximum crushing stress of punch, is equal to (where t = Thickness of the plate)
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Question 10 of 20
10. Question
1 pointsTwo closely coiled helical springs ‘A’ and ‘B’ are equal in all respects but the number of turns of spring ‘A’ is half that of spring ‘B’ The ratio of deflections in spring ‘A’ to spring ‘B’ is
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Question 11 of 20
11. Question
1 pointsThe deformation per unit length is called
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Question 12 of 20
12. Question
1 pointsStrain resetters are used to
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Question 13 of 20
13. Question
1 pointsWhen a rectangular beam is loaded transversely, the maximum compressive stress is developed on the
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Question 14 of 20
14. Question
1 pointsThe point of contraflexure is a point where
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Question 15 of 20
15. Question
1 pointsThe simply supported beam ‘A’ of length l carries a central point load W. Another beam ‘B’ is loaded with a uniformly distributed load such that the total load on the beam is W. The ratio of maximum deflections between beams A and B is
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Question 16 of 20
16. Question
1 pointsThe maximum stress produced in a bar of tapering section is at
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Question 17 of 20
17. Question
1 pointsThe energy stored in a body when strained within elastic limit is known as
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Question 18 of 20
18. Question
1 pointsIn compression test, the fracture in cast iron specimen would occur along
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Question 19 of 20
19. Question
1 pointsWhen shear force at a point is zero, then bending moment is __________ at that point.
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Question 20 of 20
20. Question
1 pointsWhen a bar is cooled to – 5°C, it will develop
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Strength of Materials MCQ 3
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Question 1 of 20
1. Question
1 pointsInfluence lines are drawn for structures
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Question 2 of 20
2. Question
1 pointsA simply supported beam carrying a uniformly distributed load over its whole span, is propped at the centre of the span so that the beam is held to the level of the end supports. The reaction of the prop will be
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Question 3 of 20
3. 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 4 of 20
4. Question
1 pointsIn a beam, the neutral plane
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Question 5 of 20
5. Question
1 pointsWhen loads are applied proportionately to a frame structure containing its members in one plane, the structure is called
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Question 6 of 20
6. Question
1 pointsThe shear stress at any section of a shaft is maximum
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Question 7 of 20
7. Question
1 pointsThe region of the crosssection of a column in which compressive load may be applied without producing any tensile stress, is known as the core of the crosssection. In circular columns the radius of the core, is
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Question 8 of 20
8. Question
1 pointsA beam is said to be of uniform strength, if
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Question 9 of 20
9. Question
1 pointsThe radius of gyration of a rectangular section is not proportional to
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Question 10 of 20
10. Question
1 pointsA reinforced concrete beam is assumed to be made of
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Question 11 of 20
11. Question
1 pointsIf the rivets in adjacent rows are staggered and outermost row has only one rivet, the arrangement of the rivets, is called
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Question 12 of 20
12. Question
1 pointsPick up the correct statement from the following :
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Question 13 of 20
13. Question
1 pointsThe number of points of contraflexure in a simple supported beam carrying uniformly distributed load, is
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Question 14 of 20
14. Question
1 pointsThe maximum bending moment due to a moving load on a simply supported beam, occurs
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Question 15 of 20
15. Question
1 pointsA three hinged parabolic arch hinged at the crown and springings, has a horizontal span of 4.8 m and a central rise of 1 m. It carries a uniformly distributed load of 0.75 tonne per metre over half left hand span. The horizontal thrust at the support will be
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Question 16 of 20
16. Question
1 pointsThe length of a column, having a uniform circular crosssection of 7.5 cm diameter and whose ends are hinged, is 5 m. If the value of E for the material is 2100 tonnes/cm2, the permissible maximum crippling load will be
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Question 17 of 20
17. Question
1 pointsIf a three hinged parabolic arch carries a uniformly distributed load on its entire span, every section of the arch resists.
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Question 18 of 20
18. Question
1 pointsIn a three hinged arch, the shear force is usually
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Question 19 of 20
19. Question
1 pointsAn arch may be subjected to
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Question 20 of 20
20. 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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Strength of Materials MCQ 4
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Question 1 of 20
1. Question
1 pointsResilience is the
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Question 2 of 20
2. Question
1 pointsA concentrated load is one which
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Question 3 of 20
3. Question
1 pointsIf the tearing efficiency of a riveted joint is 50%, then ratio of rivet hole diameter to the pitch of rivets is
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Question 4 of 20
4. Question
1 pointsThe rectangular beam ‘A’ has length l, width b and depth d. Another beam ‘B’ has the same length and depth but width is double that of ‘A’. The elastic strength of beam ‘B’ will be __________ as compared to beam A.
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Question 5 of 20
5. Question
1 pointsIn a simple bending of beams, the stress in the beam varies
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Question 6 of 20
6. Question
1 pointsThe stress at which the extension of the material takes place more quickly as compared to the increase in load, is called
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Question 7 of 20
7. Question
1 pointsWhich of the following statement is correct?
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Question 8 of 20
8. Question
1 pointsCompression members always tend to buckle in the direction of the
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Question 9 of 20
9. Question
1 pointsA thin spherical shell of diameter (d) and thickness (t) is subjected to an internal pressure (p). The stress in the shell material is
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Question 10 of 20
10. Question
1 pointsRivets are generally specified by
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Question 11 of 20
11. Question
1 pointsWhen a thin cylindrical shell is subjected to an internal pressure, there will be
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Question 12 of 20
12. Question
1 pointsThe point of contraflexure occurs in
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Question 13 of 20
13. Question
1 pointsA beam of uniform strength has
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Question 14 of 20
14. Question
1 pointsIn a simple bending theory, one of the assumption is that the material of the beam is isotropic. This assumption means that the
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Question 15 of 20
15. Question
1 pointsThe extremeties of any diameter on Mohr’s circle represent
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Question 16 of 20
16. Question
1 pointsTwo shafts ‘A’ and ‘B’ are made of same material. The shaft ‘A’ is solid and has diameter D. The shaft ‘B’ is hollow with outer diameter D and inner diameter D/2. The strength of hollow shaft in torsion is __________ as that of solid shaft.
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Question 17 of 20
17. Question
1 pointsThe Poisson’s ratio for cast iron varies from
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Question 18 of 20
18. Question
1 pointsThe Rankine’s theory for active earth pressure is based on the assumption that
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Question 19 of 20
19. Question
1 pointsThe strain energy stored in a spring, when subjected to maximum load, without suffering permanent distortion, is known as
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Question 20 of 20
20. Question
1 pointsThe ratio of change in volume to the original volume is called
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Strength of Materials MCQ 5
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Question 1 of 20
1. Question
1 pointsThe stress necessary to initiate yielding, is considerably
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Question 2 of 20
2. Question
1 pointsStrain energy of any member may be defined as work done on it
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Question 3 of 20
3. Question
1 pointsIf the length of a cantilever carrying an isolated load at its free end is doubled, the deflection of the free end will increase by
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Question 4 of 20
4. Question
1 pointsThe value of Poisson’s ratio always remains
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Question 5 of 20
5. Question
1 pointsFor a beam having fixed ends, the unknown element of the reactions, is
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Question 6 of 20
6. Question
1 pointsIf 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
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Question 7 of 20
7. Question
1 pointsA cast iron T section beam is subjected to pure bending. For maximum compressive stress to be three times the maximum tensile stress, centre of gravity of the section from flange side is
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Question 8 of 20
8. Question
1 pointsThe rise of a parabolic arch at quarter points, is equal to
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Question 9 of 20
9. Question
1 pointsThe effect of arching a beam, is
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Question 10 of 20
10. Question
1 pointsThe phenomenon of slow growth of strain under a steady tensile stress, is called
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Question 11 of 20
11. Question
1 pointsHooke’s law states that stress and strain are
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Question 12 of 20
12. Question
1 pointsA column is said to be of medium size if its slenderness ratio is between
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Question 13 of 20
13. Question
1 pointsTies are load carrying members of a frame, which are subjected to
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Question 14 of 20
14. Question
1 pointsWhen two plates butt together and are riveted with two cover plates with two rows of rivets, the joint is known as
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Question 15 of 20
15. Question
1 pointsThe moment diagram for a cantilever which is subjected to a uniformly distributed load will be a
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Question 16 of 20
16. Question
1 pointsThe areas of crosssection of a square beam and a circular beam subjected to equal bending moments, are same.
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Question 17 of 20
17. Question
1 pointsFor the same height, the bottom width for no tension,
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Question 18 of 20
18. Question
1 pointsFor a beam, if fundamental equations of statics are not sufficient to determine all the reactive forces at the supports, the structure is said to be
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Question 19 of 20
19. Question
1 pointsThe moment diagram for a cantilever carrying linearly varying load from zero at its free end and to maximum at the fixed end will be a
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Question 20 of 20
20. Question
1 pointsThe bending moment is maximum on a section where shearing force
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Strength of Materials MCQ 6
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Question 1 of 20
1. Question
1 pointsThe rectangular beam ‘A’ has length l, width b and depth d. Another beam ‘B’ has the same length and width but depth is double that of ‘A’. The elastic strength of beam B will be __________ as compared to beam A.
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Question 2 of 20
2. Question
1 pointsWhen a closelycoiled helical spring is subjected to an axial load, it is said to be under
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Question 3 of 20
3. Question
1 pointsIf percentage reduction in area of a certain specimen made of material ‘A’ under tensile test is 60% and the percentage reduction in area of a specimen with same dimensions made of material ‘B’ is 40%, then
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Question 4 of 20
4. Question
1 pointsThe shear force diagram for a simply supported beam carrying a uniformly distributed load of w per unit length, consists of
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Question 5 of 20
5. Question
1 pointsWhen a cantilever beam is loaded at its free end, the maximum compressive stress shall develop at
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Question 6 of 20
6. Question
1 pointsThe elongation of a conical bar under its own weight is __________ that of prismatic bar of the same length.
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Question 7 of 20
7. Question
1 pointsWhen the shear force diagram is a parabolic curve between two points, it indicates that there is a
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Question 8 of 20
8. Question
1 pointsThe slenderness ratio is the ratio of
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Question 9 of 20
9. Question
1 pointsWhen two shafts of same length, one of which is hollow, transmit equal torques and have equal maximum stress, then they should have equal
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Question 10 of 20
10. Question
1 pointsAccording to Euler’s column theory, the crippling load for a column of length (l) fixed at both ends is __________ the crippling load for a similar column hinged at both ends.
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Question 11 of 20
11. Question
1 pointsThe shear force and bending moment are zero at the free end of a cantilever beam, if it carries a
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Question 12 of 20
12. Question
1 pointsA rod is enclosed centrally in a tube and the assembly is tightened by rigid washers. If the assembly is subjected to a compressive load, then
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Question 13 of 20
13. Question
1 pointsA bar of length L metres extends by l mm under a tensile force of P. The strain produced in the bar is
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Question 14 of 20
14. Question
1 pointsThe unit of modulus of elasticity is same as those of
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Question 15 of 20
15. Question
1 pointsWhen a bar of length l, width b and thickness t is subjected to a pull of P, its
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Question 16 of 20
16. Question
1 pointsA column with maximum equivalent length has
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Question 17 of 20
17. Question
1 pointsA column of length (l) with both ends fixed may be considered as equivalent to a column of length __________ with both ends hinged.
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Question 18 of 20
18. Question
1 pointsThe product of the tangential force acting on the shaft and its distance from the axis of the shaft (i.e. radius of shaft) is known as
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Question 19 of 20
19. Question
1 pointsWhen a body is subjected to a direct tensile stress (σ) in one plane, the maximum shear stress is __________ the maximum normal stress.
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Question 20 of 20
20. Question
1 pointsA simply supported beam ‘A’ of length l, breadth b and depth d carries a central load W. Another beam ‘B’ of the same dimensions carries a central load equal to 2 W. The deflection of beam ‘B’ will be __________ as that of beam ‘A’.
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Strength of Materials MCQ 7
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Question 1 of 20
1. Question
1 pointsWhich of the following statement is correct?
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Question 2 of 20
2. Question
1 pointsThe ratio of the largest load in a test to the original crosssectional area of the test piece is called
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Question 3 of 20
3. Question
1 pointsThe total strain energy stored in a body is termed as
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Question 4 of 20
4. Question
1 pointsIn order to avoid sliding of masonry dam, the force of friction between the dam and soil should be at least __________ the total water pressure per metre length.
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Question 5 of 20
5. Question
1 pointsIn a beam subjected to pure bending, the intensity of stress in any fibre is __________ the distance of the fibre from the neutral axis.
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Question 6 of 20
6. Question
1 pointsWhich of the following statement is wrong?
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Question 7 of 20
7. Question
1 pointsA beam of Tsection is subjected to a shear force of F. The maximum shear force will occur at the
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Question 8 of 20
8. Question
1 pointsTwo bars of different materials and same size are subjected to the same tensile force. If the bars have unit elongation in the ratio of 2:5, then the ratio of modulus of elasticity of the two materials will be
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Question 9 of 20
9. Question
1 pointsA beam of uniform strength may be obtained by
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Question 10 of 20
10. Question
1 pointsThe springs in brakes and clutches are used to
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Question 11 of 20
11. Question
1 pointsThe maximum deflection of a fixed beam carrying a central point load lies at
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Question 12 of 20
12. Question
1 pointsThe design of thin cylindrical shells is based on
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Question 13 of 20
13. Question
1 pointsThe deformation of the bar per unit length in the direction of the force is known as
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Question 14 of 20
14. Question
1 pointsWhich of the following statement is correct?
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Question 15 of 20
15. Question
1 pointsThe volumetric strain is the ratio of the
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Question 16 of 20
16. Question
1 pointsA bolt is made to pass through a tube and both of them are tightly fitted with the help of washers and nuts. If the nut is tightened, then
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Question 17 of 20
17. Question
1 pointsA body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The minimum normal stress will be
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Question 18 of 20
18. Question
1 pointsThe shear force diagram fora cantilever beam of length l and carrying a gradually varying load from zero at free end and w per unit length at the fixed end is a
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Question 19 of 20
19. Question
1 pointsWhen one plate overlaps the other and the two plates are riveted together with two rows of rivets, the joint is known as
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Question 20 of 20
20. Question
1 pointsWhen a beam is subjected to a bending moment, the strain in a layer is __________ the distance from the neutral axis.
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Strength of Materials MCQ 8
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Question 1 of 20
1. Question
1 pointsWhen one plate overlaps the other and the two plates are riveted together with two rows of rivets, the joint is known as
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Question 2 of 20
2. Question
1 pointsThe total strain energy stored in a body is termed as
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Question 3 of 20
3. Question
1 pointsA body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The minimum normal stress will be
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Question 4 of 20
4. Question
1 pointsIn a beam subjected to pure bending, the intensity of stress in any fibre is __________ the distance of the fibre from the neutral axis
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Question 5 of 20
5. Question
1 pointsA bolt is made to pass through a tube and both of them are tightly fitted with the help of washers and nuts. If the nut is tightened, then
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Question 6 of 20
6. Question
1 pointsWhen a beam is subjected to a bending moment, the strain in a layer is __________ the distance from the neutral axis.
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Question 7 of 20
7. Question
1 pointsThe shear force diagram fora cantilever beam of length l and carrying a gradually varying load from zero at free end and w per unit length at the fixed end is a