Civil Engineering MCQ. PWD, CPWD, RRB, SSC, Mock Test Paper

Subject: Structural Analysis 2

**Part 1: List for questions and answers of Structural Analysis-I**

**Q1. Co-efficient of wind resistance of a circular surface, is**

a) 0.5

b) 0.33

c) 2/3

d) 3/2

**Q2. The ratio of moments of inertia of a triangular section about its base and about a centroidal axis parallel to its base, is**

a) 1.0

b) 1.5

c) 2.0

d) 3.0

**Q3. The ratio of shear stress and shear strain of an elastic material, is**

a) Modulus of Rigidity

b) Shear Modulus

c) Young’s Modulus

d) Both (a) and (b)

**Q4.The ratio of the maximum deflections of a simply supported beam with a central load W and of a cantilever of same length and with a load W at its free end, is**

a) 1/8

b) 1/10

c) 1/12

d) 1/16

**Q5. The greatest load which a spring can carry without getting permanently distorted, is called**

a) Stiffness

b) Prof resilience

c) Proof stress

d) Proof load

**Q6. A three hinged arch is generally hinged at its supports and**

a) At one quarter span

b) At the crown

c) Anywhere in the rib

d) None of these

**Q7. Flat spiral springs**

a) Consist of uniform thin strips

b) Are supported at outer end

c) Are wound by applying a torque

d) All the above

**Q8. The forces in the members of simple trusses, may be analysed by**

a) Graphical method

b) Method of joints

c) Method of sections

d) All the above

**Q9.At yield point of a test piece, the material**

a) Obeys Hooke’s law

b) Behaves in an elastic manner

c) Regains its original shape on removal of the load

d) Undergoes plastic deformation

**Q10.The ratio of lateral strain to axial strain of a homogeneous material, is known**

a) Yield ratio

b) Hooke’s ratio

c) Poisson’s ratio

d) Plastic ratio

**Q11. The locus of reaction of a two hinged semi-circular arch, is**

a) Straight line

b) Parabola

c) Circle

d) hyperbola

**Q12. The ratio of the area of cross-section of a circular section to the area of its core, is**

a) 4

b) 8

c) 12

d) 16

**Q13. Maximum shear stress theory for the failure of a material at the elastic limit, is known**

a) Guest’s or Trecas’ theory

b) St. Venant’s theory

c) Rankine’s theory

d) Haig’s theory

**Q14. Shear centre of a half circular section of radius r and of constant thickness, lies at a distance of x from the centre where x is**

a) R/n

b) 2r/n

c) 3r/n

d) 4r/n

**Q15. Pick up the correct statement from the following:**

a) A wire wound in spiral form, is called a helical spring

b) The pitch of a close coil spring, is very small

c) The angle made by the coil with horizontal, is called the angle of helix

d) All the above

**Q16. Maximum principal stress theory for the failure of a material at elastic point, is known**

a) Guest’s or Trecas’ theory

b) St. Venant’s theory

c) Rankine’s theory

d) Haig’s theory

**Q17. The equivalent length is of a column of length L having both the ends fixed, is**

a) 2L

b) L

c) L/2

d) 2/L

**Q18.The ratio of tangential and normal components of a stress on an inclined plane through θ ° to the direction of the force is:**

a) Sin θ

b) Cos θ

c) Tan θ

d) Cos θ

**Q19. The ratio of crippling loads of a column having both the ends fixed to the column having both the ends hinged, is**

a) 1

b) 2

c) 3

d) 4

**Q20. Maximum strain theory for the failure of a material at the elastic limit, is known as**

a) Guest’s or Trecas’ theory

b) St. Venant’s theory

c) Rankine’s theory

d) Haig’s theory

**Part 2: List for questions and answers of Structural Analysis-I**

Q1. Answer: c

Q2. Answer: d

Q3. Answer: d

Q4. Answer: d

Q5. Answer: d

Q6. Answer: c

Q7. Answer: d

Q8. Answer: d

Q9. Answer: d

Q10. Answer: c

Q11. Answer: a

Q12. Answer: d

Q13. Answer: a

Q14. Answer: d

Q15. Answer: d

Q16. Answer: c

Q17. Answer: c

Q18. Answer: c

Q19. Answer: d

Q20. Answer: b