# Civil engineer objective questions – Structural Analysis and Design (Section-1)

1. Toughness is

a) ability to absorb energy during plastic deformation

b) higher ultimate strength

c) stress at field

d) strain energy at the field

2. The impact tests are used to determine

a) ultimate crushing strength

b) toughness

c) ductility

d) tenancy

a) 1

b) 2

c) 3

d) 4

4. The direction of shear stress is

a) horizontal

b) vertical

c) both (a) and (b) above

d) None of the above

5. The direction of normal stress

a) parallel to failure plane

b) perpendicular to failure plane

c) both (a) and (b) above

d) None of the above

6. The direction of shear stress is

a) parallel to failure plane

b) perpendicular to failure plane

c) both (a) and (b) above

d) None of the above

7. The percentage reduction of material from a direct compressive test indicates

a) ductility

b) strength

c) yield stress

d) brittleness

8. The safe value of stress below which the material will not fail when subjected to reversal of stress is known as

a) fatigue stress

b) endurance limit

c) elastic limit

d) tolerance limit

9. The property by which the metals deforms continuously at a slow rate without further increase in stress is called

a) creep

b) fatigue

c) resilience

d) plasticity

10. The actual numerical value of tensile stress is………..than the theoretical stress (engineering stress)

a) less

b) more

c) equal

d) any of the above

11. Allowable stress in steel is less than

a) permissible stress

b) working stress

c) yield stress

d) none of the above

12. According to Hook’s law, which one is wrong?

a) σαΕ

b)  σ/E =constant

c) MoE x Strain = Stress

d) MoE x Stress = Strain

13. The product El is called

a) flexural rigidity

b) torsional rigidity

c) the second moment of area

d) None of the above

14. The value of Poisson’s ratio always remains

a) greater than one

b) less than one

c) equal to one

d) None of the above

15. The percentage elongation of material from a direct tensile test indicates

a) ductility

b) strength

c) yield stress

d) brittleness

16. Stress is directly proportional to strain within the elastic limit is given by

a) Archimedes

b) Hooke’s

c) Newton

d) Galileo

17. Elasticity of a body is defined

a) the property by which a body returns to its original shape after removal of load

b) the property by which a body doesn’t return to its original shape after removal of load

c) the property by which a body undergoes deformation even after removal of load

d) all of the above

18. Elasticity of a body is

a) the ratio of stress to strain

b) the resistance to the force acting

c) large deformability

d) None of the above

19. In any member of the structure system, the strain does not affect the size of the member

a) lateral strain

b) volumetric strain

c) shear strain

d) longitudinal strain

20. Plasticity of a body is

a) the ratio of stress to strain

b) same as the property of elasticity

c) opposite property of elasticity

d) None of the above

21. The ratio of lateral strain to longitudinal strain is called

a) Poisson’s ratio

b) stress

c) Hook’s law

d) None of the above

22. Permanent set is

a) the force which acts permanently on the body

b) irrecoverable deformation in the body

c) the shape of the member just after completion of construction

d) ratio of Poisson’s ratio to young’s modulus

23. Stress in a member subjected to a force is

a) the ratio of modulus of elasticity to strain

b) the product of modulus of elasticity and strain

c) the resistance to the force acting

d) sum of strain and modulus of elasticity

24. Young’s modulus is the ratio of the normal stress to the

a) normal strain within the elastic limit

b) normal strain within the proportional limit

c) reciprocal of normal strain within the elastic limit

d) normal strain at the yield point

25. Modulus of rigidity is the ratio of

a) normal stress to normal strain

b) shear stress to shear strain

c) lateral stress to lateral strain

d) normal strain to normal stress

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