#### 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 points#### As compared to uniaxial tension or compression, the strain energy stored in bending is only

CorrectIncorrect - Question 2 of 20
##### 2. Question

1 points#### The ratio of strengths of solid to hollow shafts, both having outside diameter D and hollow having inside diameter D/2, in torsion, is

CorrectIncorrect - Question 3 of 20
##### 3. Question

1 points#### The weakest section of a diamond riveting, is the section which passes through

CorrectIncorrect - Question 4 of 20
##### 4. Question

1 points#### In a loaded beam, the point of con-traflexture occurs at a section where

CorrectIncorrect - Question 5 of 20
##### 5. Question

1 points#### The ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length, is

CorrectIncorrect - Question 6 of 20
##### 6. Question

1 points#### A three-hinged arch is said to be :

CorrectIncorrect - Question 7 of 20
##### 7. Question

1 points#### The shape of the bending moment diagram over the length of a beam, having no external load, is always

CorrectIncorrect - Question 8 of 20
##### 8. Question

1 points#### Pick up the incorrect statement

CorrectIncorrect - Question 9 of 20
##### 9. Question

1 points#### A 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

CorrectIncorrect - Question 10 of 20
##### 10. Question

1 points#### If two forces acting at a joint are not along the straight line, then for the equilibrium of the joint

CorrectIncorrect - Question 11 of 20
##### 11. Question

1 points#### If the shear force along a section of a beam is zero, the bending moment at the section is

CorrectIncorrect - Question 12 of 20
##### 12. Question

1 points#### The shape of the bending moment diagram over the length of a beam, carrying a uniformly distributed load is always

CorrectIncorrect - Question 13 of 20
##### 13. Question

1 points#### The 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

CorrectIncorrect - Question 14 of 20
##### 14. Question

1 points#### The minimum number of rivets for the connection of a gusset plate, is

CorrectIncorrect - Question 15 of 20
##### 15. Question

1 points#### The slenderness ratio of a vertical column of a square cross-section of 2.5 cm sides and 300 cm length, is

CorrectIncorrect - Question 16 of 20
##### 16. Question

1 points#### The maximum twisting moment a shaft can resist, is the product of the permissible shear stress and

CorrectIncorrect - Question 17 of 20
##### 17. Question

1 points#### For a simply supported beam with a central load, the bending moment is

CorrectIncorrect - Question 18 of 20
##### 18. Question

1 points#### The ratio of the moment of inertia of a circular plate and that of a square plate for equal depth, is

CorrectIncorrect - Question 19 of 20
##### 19. Question

1 points#### If 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

CorrectIncorrect - Question 20 of 20
##### 20. Question

1 points#### The deflection of any rectangular beam simply supported, is

CorrectIncorrect

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Strength of Materials MCQ 2

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- Question 1 of 20
##### 1. Question

1 points#### Influence lines are drawn for structures

CorrectIncorrect - Question 2 of 20
##### 2. Question

1 points#### A 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

CorrectIncorrect - Question 3 of 20
##### 3. Question

1 points#### The range within which a load can be applied on a rectangular column, to avoid any tensile stress, is

CorrectIncorrect - Question 4 of 20
##### 4. Question

1 points#### In a beam, the neutral plane

CorrectIncorrect - Question 5 of 20
##### 5. Question

1 points#### When loads are applied proportionately to a frame structure containing its members in one plane, the structure is called

CorrectIncorrect - Question 6 of 20
##### 6. Question

1 points#### The shear stress at any section of a shaft is maximum

CorrectIncorrect - Question 7 of 20
##### 7. Question

1 points#### The region of the cross-section of a column in which compressive load may be applied without producing any tensile stress, is known as the core of the cross-section. In circular columns the radius of the core, is

CorrectIncorrect - Question 8 of 20
##### 8. Question

1 points#### A beam is said to be of uniform strength, if

CorrectIncorrect - Question 9 of 20
##### 9. Question

1 points#### The radius of gyration of a rectangular section is not proportional to

CorrectIncorrect - Question 10 of 20
##### 10. Question

1 points#### A reinforced concrete beam is assumed to be made of

CorrectIncorrect - Question 11 of 20
##### 11. Question

1 points#### If the rivets in adjacent rows are staggered and outermost row has only one rivet, the arrangement of the rivets, is called

CorrectIncorrect - Question 12 of 20
##### 12. Question

1 points#### Pick up the correct statement from the following :

CorrectIncorrect - Question 13 of 20
##### 13. Question

1 points#### The number of points of contraflexure in a simple supported beam carrying uniformly distributed load, is

CorrectIncorrect - Question 14 of 20
##### 14. Question

1 points#### The maximum bending moment due to a moving load on a simply supported beam, occurs

CorrectIncorrect - Question 15 of 20
##### 15. Question

1 points#### A 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

CorrectIncorrect - Question 16 of 20
##### 16. Question

1 points#### The length of a column, having a uniform circular cross-section 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

CorrectIncorrect - Question 17 of 20
##### 17. Question

1 points#### If a three hinged parabolic arch carries a uniformly distributed load on its entire span, every section of the arch resists.

CorrectIncorrect - Question 18 of 20
##### 18. Question

1 points#### In a three hinged arch, the shear force is usually

CorrectIncorrect - Question 19 of 20
##### 19. Question

1 points#### An arch may be subjected to

CorrectIncorrect - Question 20 of 20
##### 20. Question

1 points#### The law which states, “within elastic limits strain produced is proportional to the stress producing it”, is known as

CorrectIncorrect

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Strength of Materials MCQ 3

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- Question 1 of 20
##### 1. Question

1 points#### The stress necessary to initiate yielding, is considerably

CorrectIncorrect - Question 2 of 20
##### 2. Question

1 points#### Strain energy of any member may be defined as work done on it

CorrectIncorrect - Question 3 of 20
##### 3. Question

1 points#### 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

CorrectIncorrect - Question 4 of 20
##### 4. Question

1 points#### The value of Poisson’s ratio always remains

CorrectIncorrect - Question 5 of 20
##### 5. Question

1 points#### For a beam having fixed ends, the unknown element of the reactions, is

CorrectIncorrect - Question 6 of 20
##### 6. Question

1 points#### 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

CorrectIncorrect - Question 7 of 20
##### 7. Question

1 points#### A 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

CorrectIncorrect - Question 8 of 20
##### 8. Question

1 points#### The rise of a parabolic arch at quarter points, is equal to

CorrectIncorrect - Question 9 of 20
##### 9. Question

1 points#### The effect of arching a beam, is

CorrectIncorrect - Question 10 of 20
##### 10. Question

1 points#### The phenomenon of slow growth of strain under a steady tensile stress, is called

CorrectIncorrect - Question 11 of 20
##### 11. Question

1 points#### Hooke’s law states that stress and strain are

CorrectIncorrect - Question 12 of 20
##### 12. Question

1 points#### A column is said to be of medium size if its slenderness ratio is between

CorrectIncorrect - Question 13 of 20
##### 13. Question

1 points#### Ties are load carrying members of a frame, which are subjected to

CorrectIncorrect - Question 14 of 20
##### 14. Question

1 points#### When two plates butt together and are riveted with two cover plates with two rows of rivets, the joint is known as

CorrectIncorrect - Question 15 of 20
##### 15. Question

1 points#### The moment diagram for a cantilever which is subjected to a uniformly distributed load will be a

CorrectIncorrect - Question 16 of 20
##### 16. Question

1 points#### The areas of cross-section of a square beam and a circular beam subjected to equal bending moments, are same.

CorrectIncorrect - Question 17 of 20
##### 17. Question

1 points#### For the same height, the bottom width for no tension,

CorrectIncorrect - Question 18 of 20
##### 18. Question

1 points#### For 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

CorrectIncorrect - Question 19 of 20
##### 19. Question

1 points#### The 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

CorrectIncorrect - Question 20 of 20
##### 20. Question

1 points#### The bending moment is maximum on a section where shearing force

CorrectIncorrect

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Strength of Materials MCQ 4

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- Question 1 of 20
##### 1. Question

1 points#### A short masonry pillar is 60 cm x 60 cm in cross-section, the core of the pillar is a square whose side is

CorrectIncorrect - Question 2 of 20
##### 2. Question

1 points#### A rectangular log of wood is floating in water with a load of 100 N at its centre. The maximum shear force in the wooden log is

CorrectIncorrect - Question 3 of 20
##### 3. Question

1 points#### The following assumption is not true in the theory of pure torsion :

CorrectIncorrect - Question 4 of 20
##### 4. Question

1 points#### The under mentioned type is simple strain

CorrectIncorrect - Question 5 of 20
##### 5. Question

1 points#### The ratio of the effective length of a column and minimum radius of gyration of its cross-sectional area, is known

CorrectIncorrect - Question 6 of 20
##### 6. Question

1 points#### Failure of riverted joints is due to

CorrectIncorrect - Question 7 of 20
##### 7. Question

1 points#### Pick up the correct assumption of the theory of simple bending

CorrectIncorrect - Question 8 of 20
##### 8. Question

1 points#### The neutral axis of a beam cross-section must

CorrectIncorrect - Question 9 of 20
##### 9. Question

1 points#### In a solid arch, shear force acts

CorrectIncorrect - Question 10 of 20
##### 10. Question

1 points#### A three hinged arch is loaded with an isolated load 1000 kg at a horizontal distance of 2.5 m from the crown, 1 m above the level of hinges at the supports 10 metres apart. The horizontal thrust is

CorrectIncorrect - Question 11 of 20
##### 11. Question

1 points#### For keeping the stress wholly compressive the load may be applied on a circular column anywhere within a concentric circle of diameter

CorrectIncorrect - Question 12 of 20
##### 12. Question

1 points#### A member is balanced at its end by two inclined members carrying equal forces. For equilibrium the angle between the inclined bars must be

CorrectIncorrect - Question 13 of 20
##### 13. Question

1 points#### To ascertain the maximum permissible eccentricity of loads on circular columns, the rule generally followed, is

CorrectIncorrect - Question 14 of 20
##### 14. Question

1 points#### Beams of uniform strength are preferred to those of uniform section because these are economical for

CorrectIncorrect - Question 15 of 20
##### 15. Question

1 points#### The moment diagram for a cantilever whose free end is subjected to a bending moment, will be a

CorrectIncorrect - Question 16 of 20
##### 16. Question

1 points#### Reactions at the supports of a structure can be determined by equating the algebraic sum of

CorrectIncorrect - Question 17 of 20
##### 17. Question

1 points#### Shear force for a cantilever carrying a uniformly distributed load over its length, is

CorrectIncorrect - Question 18 of 20
##### 18. Question

1 points#### For a stable frame structure, number of members required, is

CorrectIncorrect - Question 19 of 20
##### 19. Question

1 points#### When a rectangular beam is loaded transversely, the maximum compressive stress develops on

CorrectIncorrect - Question 20 of 20
##### 20. Question

1 points#### In a continuous bending moment curve the point where it changes sign, is called

CorrectIncorrect

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Strength of Materials MCQ

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- Question 1 of 20
##### 1. Question

1 points#### Strain energy is the

CorrectIncorrect - Question 2 of 20
##### 2. Question

1 points#### The neutral axis of the cross-section a beam is that axis at which the bending stress is

CorrectIncorrect - Question 3 of 20
##### 3. Question

1 points#### Euler’s formula holds good only for

CorrectIncorrect - Question 4 of 20
##### 4. Question

1 points#### The object of caulking in a riveted joint is to make the joint

CorrectIncorrect - Question 5 of 20
##### 5. Question

1 points#### A steel bar of 5 mm is heated from 15° C to 40° C and it is free to expand. The bar Will induce

CorrectIncorrect - Question 6 of 20
##### 6. Question

1 points#### A 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

CorrectIncorrect - Question 7 of 20
##### 7. Question

1 points#### The stress induced in a body, when suddenly loaded, is __________ the stress induced when the same load is applied gradually.

CorrectIncorrect - Question 8 of 20
##### 8. Question

1 points#### A masonry dam may fail due to

CorrectIncorrect - Question 9 of 20
##### 9. Question

1 points#### The 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)

CorrectIncorrect - Question 10 of 20
##### 10. Question

1 points#### Two 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

CorrectIncorrect - Question 11 of 20
##### 11. Question

1 points#### The deformation per unit length is called

CorrectIncorrect - Question 12 of 20
##### 12. Question

1 points#### Strain resetters are used to

CorrectIncorrect - Question 13 of 20
##### 13. Question

1 points#### When a rectangular beam is loaded transversely, the maximum compressive stress is developed on the

CorrectIncorrect - Question 14 of 20
##### 14. Question

1 points#### The point of contraflexure is a point where

CorrectIncorrect - Question 15 of 20
##### 15. Question

1 points#### The 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

CorrectIncorrect - Question 16 of 20
##### 16. Question

1 points#### The maximum stress produced in a bar of tapering section is at

CorrectIncorrect - Question 17 of 20
##### 17. Question

1 points#### The energy stored in a body when strained within elastic limit is known as

CorrectIncorrect - Question 18 of 20
##### 18. Question

1 points#### In compression test, the fracture in cast iron specimen would occur along

CorrectIncorrect - Question 19 of 20
##### 19. Question

1 points#### When shear force at a point is zero, then bending moment is __________ at that point.

CorrectIncorrect - Question 20 of 20
##### 20. Question

1 points#### When a bar is cooled to – 5°C, it will develop

CorrectIncorrect

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Strength of Materials MCQ 2

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- Question 1 of 20
##### 1. Question

1 points#### Resilience is the

CorrectIncorrect - Question 2 of 20
##### 2. Question

1 points#### A concentrated load is one which

CorrectIncorrect - Question 3 of 20
##### 3. Question

1 points#### If the tearing efficiency of a riveted joint is 50%, then ratio of rivet hole diameter to the pitch of rivets is

CorrectIncorrect - Question 4 of 20
##### 4. Question

1 points#### The 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.

CorrectIncorrect - Question 5 of 20
##### 5. Question

1 points#### In a simple bending of beams, the stress in the beam varies

CorrectIncorrect - Question 6 of 20
##### 6. Question

1 points#### The stress at which the extension of the material takes place more quickly as compared to the increase in load, is called

CorrectIncorrect - Question 7 of 20
##### 7. Question

1 points#### Which of the following statement is correct?

CorrectIncorrect - Question 8 of 20
##### 8. Question

1 points#### Compression members always tend to buckle in the direction of the

CorrectIncorrect - Question 9 of 20
##### 9. Question

1 points#### A thin spherical shell of diameter (d) and thickness (t) is subjected to an internal pressure (p). The stress in the shell material is

CorrectIncorrect - Question 10 of 20
##### 10. Question

1 points#### Rivets are generally specified by

CorrectIncorrect - Question 11 of 20
##### 11. Question

1 points#### When a thin cylindrical shell is subjected to an internal pressure, there will be

CorrectIncorrect - Question 12 of 20
##### 12. Question

1 points#### The point of contraflexure occurs in

CorrectIncorrect - Question 13 of 20
##### 13. Question

1 points#### A beam of uniform strength has

CorrectIncorrect - Question 14 of 20
##### 14. Question

1 points#### In a simple bending theory, one of the assumption is that the material of the beam is isotropic. This assumption means that the

CorrectIncorrect - Question 15 of 20
##### 15. Question

1 points#### The extremeties of any diameter on Mohr’s circle represent

CorrectIncorrect - Question 16 of 20
##### 16. Question

1 points#### Two 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.

CorrectIncorrect - Question 17 of 20
##### 17. Question

1 points#### The Poisson’s ratio for cast iron varies from

CorrectIncorrect - Question 18 of 20
##### 18. Question

1 points#### The Rankine’s theory for active earth pressure is based on the assumption that

CorrectIncorrect - Question 19 of 20
##### 19. Question

1 points#### The strain energy stored in a spring, when subjected to maximum load, without suffering permanent distortion, is known as

CorrectIncorrect - Question 20 of 20
##### 20. Question

1 points#### The ratio of change in volume to the original volume is called

CorrectIncorrect

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Strength of Materials MCQ 3

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##### 1. Question

1 points#### The 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.

CorrectIncorrect - Question 2 of 20
##### 2. Question

1 points#### When a closely-coiled helical spring is subjected to an axial load, it is said to be under

CorrectIncorrect - Question 3 of 20
##### 3. Question

1 points#### If 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

CorrectIncorrect - Question 4 of 20
##### 4. Question

1 points#### The shear force diagram for a simply supported beam carrying a uniformly distributed load of w per unit length, consists of

CorrectIncorrect - Question 5 of 20
##### 5. Question

1 points#### When a cantilever beam is loaded at its free end, the maximum compressive stress shall develop at

CorrectIncorrect - Question 6 of 20
##### 6. Question

1 points#### The elongation of a conical bar under its own weight is __________ that of prismatic bar of the same length.

CorrectIncorrect - Question 7 of 20
##### 7. Question

1 points#### When the shear force diagram is a parabolic curve between two points, it indicates that there is a

CorrectIncorrect - Question 8 of 20
##### 8. Question

1 points#### The slenderness ratio is the ratio of

CorrectIncorrect - Question 9 of 20
##### 9. Question

1 points#### When two shafts of same length, one of which is hollow, transmit equal torques and have equal maximum stress, then they should have equal

CorrectIncorrect - Question 10 of 20
##### 10. Question

1 points#### According 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.

CorrectIncorrect - Question 11 of 20
##### 11. Question

1 points#### The shear force and bending moment are zero at the free end of a cantilever beam, if it carries a

CorrectIncorrect - Question 12 of 20
##### 12. Question

1 points#### A 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

CorrectIncorrect - Question 13 of 20
##### 13. Question

1 points#### A bar of length L metres extends by l mm under a tensile force of P. The strain produced in the bar is

CorrectIncorrect - Question 14 of 20
##### 14. Question

1 points#### The unit of modulus of elasticity is same as those of

CorrectIncorrect - Question 15 of 20
##### 15. Question

1 points#### When a bar of length l, width b and thickness t is subjected to a pull of P, its

CorrectIncorrect - Question 16 of 20
##### 16. Question

1 points#### A column with maximum equivalent length has

CorrectIncorrect - Question 17 of 20
##### 17. Question

1 points#### A column of length (l) with both ends fixed may be considered as equivalent to a column of length __________ with both ends hinged.

CorrectIncorrect - Question 18 of 20
##### 18. Question

1 points#### The 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

CorrectIncorrect - Question 19 of 20
##### 19. Question

1 points#### When a body is subjected to a direct tensile stress (σ) in one plane, the maximum shear stress is __________ the maximum normal stress.

CorrectIncorrect - Question 20 of 20
##### 20. Question

1 points#### A 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’.

CorrectIncorrect

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Strength of Materials MCQ 4

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- Question 1 of 20
##### 1. Question

1 points#### Which of the following statement is correct?

CorrectIncorrect - Question 2 of 20
##### 2. Question

1 points#### The ratio of the largest load in a test to the original cross-sectional area of the test piece is called

CorrectIncorrect - Question 3 of 20
##### 3. Question

1 points#### The total strain energy stored in a body is termed as

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##### 4. Question

1 points#### In 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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##### 5. Question

1 points#### In 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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##### 6. Question

1 points#### Which of the following statement is wrong?

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##### 7. Question

1 points#### A beam of T-section is subjected to a shear force of F. The maximum shear force will occur at the

CorrectIncorrect - Question 8 of 20
##### 8. Question

1 points#### Two 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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##### 9. Question

1 points#### A beam of uniform strength may be obtained by

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##### 10. Question

1 points#### The springs in brakes and clutches are used to

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##### 11. Question

1 points#### The maximum deflection of a fixed beam carrying a central point load lies at

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##### 12. Question

1 points#### The design of thin cylindrical shells is based on

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##### 13. Question

1 points#### The deformation of the bar per unit length in the direction of the force is known as

CorrectIncorrect - Question 14 of 20
##### 14. Question

1 points#### Which of the following statement is correct?

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##### 15. Question

1 points#### The volumetric strain is the ratio of the

CorrectIncorrect - Question 16 of 20
##### 16. Question

1 points#### A 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

CorrectIncorrect - Question 17 of 20
##### 17. Question

1 points#### A 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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##### 18. Question

1 points#### The 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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##### 19. Question

1 points#### When 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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##### 20. Question

1 points#### When a beam is subjected to a bending moment, the strain in a layer is __________ the distance from the neutral axis.

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