#### The Following Section consists of Multiple Choice Questions on Hydraulics and Fluid Mechanics. Take the test on Hydraulics and Fluid Mechanics problems.

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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

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

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

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

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

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

CorrectIncorrect - Question 7 of 20
##### 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

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

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

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

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

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

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

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

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

CorrectIncorrect - Question 13 of 20
##### 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?

CorrectIncorrect - Question 15 of 20
##### 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

CorrectIncorrect - Question 18 of 20
##### 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

CorrectIncorrect - Question 19 of 20
##### 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

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

CorrectIncorrect