Structural Analysis PYQs, GPSC Civil Engineering (Page 1)

1. Muller Breslau principle in structural analysis is used for

(i) drawing Influence Line Diagram for any force function

(ii) writing virtual work expression

(iii) superposition of load effects

A) Only (i)
B) (i) and (ii)
C) (ii) and (iii)
D) (i), (ii) and (iii)

Check Answer

A) Only (i)

2. A simple girder of 20 m span is traversed by a moving udl of 6 m length with an intensity of 20 kN/m from left to right. The maximum bending moment and maximum positive and negative shear forces at section 4 m from left support are ___ , ___ and ___ respectively.

A) 326.4 kN-m, 78 kN and 8 kN
B) 362.4 kN-m, 87 kN and 6 kN
C) 342.6 kN-m, 77 kN and 9 kN
D) 324.6 kN-m, 75 kN and 9 kN

Check Answer

A) 326.4 kN-m, 78 kN and 8 kN

3. Principle of superposition is applicable when

(i) Deflections are linear functions of applied forces

(ii) Material obeys Hooke’s law

(iii) The action of applied forces will be affected by small deformations of the structure

A) Only (i)
B) (i) and (ii)
C) (ii) and (iii)
D) (i), (ii) and (iii)

Check Answer

A) Only (i)

4. Unit load method used in structural analysis is

A) applicable for analyzing statically indeterminate structure
B) another name of stiffness method
C) an extension of Maxwell’s reciprocal theorem
D) derived from Castigliano’s theorem.

Check Answer

D) derived from Castigliano’s theorem.

5. Shape of each Mode of free vibration is unique so the corresponding amplitude of Eigen Vectors is

A) Unique
B) 1.0
C) Defined
D) Undefined

Check Answer

D) Undefined

6. An influence line for shear force moment shows the

A) variation of shear force over the entire structure for loads at a fixed position
B) variation of the shear force at one section caused by a static load
C) variation of the shear force at one section caused by a moving load over the entire structure
D) variation of shear and moment over the entire structure for loads at a simply supported position.

Check Answer

C) variation of the shear force at one section caused by a moving load over the entire structure

7. The considerable change in the suspended cable with change in the position of moving loads is prevented by using

A) Thicker cable
B) More than one cable
C) Reduced sag
D) Stiffening girder

Check Answer

D) Stiffening girder

8. In a suspended cable

(i) the bending moment can be reduced by increasing the pull

(ii) the tension is constant throughout

(iii) the bending moment is zero everywhere

A) Only (i)
B) (i) and (ii)
C) (ii) and (iii)
D) (i), (ii) and (iii)

Check Answer

A) Only (i)

9. Propped cantilever of span L is subjected to a moment +M at the propped end, the fixed end moment at the fixed end will be

A) –M
B) +M/2
C) –M/2
D) +M

Check Answer

C) –M/2

10. Statically determinate structure can be analysed by

(i) Equilibrium equations

(ii) Stress-strain consideration

(iii) Compatibility considerations

A) Only (i)
B) (i) and (ii)
C) (ii) and (iii)
D) (i), (ii) and (iii)

Check Answer

A) Only (i)

11. Shape factor for the rectangular section is

A) 1.0
B) 1.5
C) 1.7
D) 2.0

Check Answer

B) 1.5

12. The tension coefficient of any member is

A) Tension per unit area
B) Tension in member
C) Tension in that member divided by length of member
D) Tension in member divided by spacing of member

Check Answer

C) Tension in that member divided by length of member

13. Most numerical techniques in computer aided analysis are based on the

A) Principle of the conservation of energy
B) Principle of discretization
C) Principle virtual work
D) Strain energy theory

Check Answer

B) Principle of discretization

14. The maximum acceleration which is experienced by the ground during shaking is known as

A) Shaking acceleration
B) Peak ground acceleration
C) Radar acceleration
D) Sky acceleration

Check Answer

B) Peak ground acceleration

15. According to which method, maximum kinetic energy at mean position is equal to maximum potential energy at extreme position?

A) Rayleigh’s method
B) Energy method
C) Equilibrium method
D) Stress-strain method

Check Answer

A) Rayleigh’s method