Structural Analysis Ii Set 1 MCQs

Q1 | Principle of superposition is applicable when

deflections are linear functions of applied forces

material obeys hooke\s law

the action of applied forces will be affected by small deformations of the structure

none of the above

Q2 | The Castigliano's second theorem can be used to compute deflections

in statically determinate structures only

for any type of structure

at the point under the load only

for beams and frames only

Q3 | When a load crosses a through type Pratt truss in the direction left to right, the nature of force inany diagonal member in the left half of the span would

change from compression to tension

change from tension to compression

always be compression

always be tension

Q4 | Which of the following methods of structural analysis is a force method?

slope deflection method

column analogy method

moment distribution method

none of the above

Q5 | Which of the following is not the displacement method?

equilibrium method

column analogy method

moment distribution method

kani\s method

Q6 | For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust

is increased

is decreased

remains unchanged

becomes zero

Q7 | The deflection at any point of a perfect frame can be obtained by applying a unit load at the joint in

vertical direction

horizontal direction

inclined direction

the direction in which the deflection is required

Q8 | The principle of virtual work can be applied to elastic system by considering the virtual work of

internal forces only

external forces only

internal as well as external forces

none of the above

Q9 | If in a rigid-jointed space frame, (6m + r) < 6j, then the frame is

unstable

stable and statically determinate

stable and statically indeterminate

none of the above

Q10 | The three moments equation is applicable only when

the beam is prismatic

there is no settlement of supports

there is no discontinuity such as hinges within the span

the spans are equal

Q11 | Which of the following methods of structural analysis is a displacement method?

moment distribution method

column analogy method

three moment equation

none of the above

Q12 | The fixed support in a real beam becomes in the conjugate beam a

roller support

hinged support

fixed support

free end

Q13 | For a symmetrical two hinged parabolic arch, if one of the supports settles horizontally, then thehorizontal thrust

is increased

is decreased

remains unchanged

becomes zero

Q14 | A load 'W Tmaximum bending moment at 0.4 1 from the left support is

0.16 wl

0.20 wl

0.24 wl

0.25 wl

Q15 | In the displacement method of structural analysis, the basic unknowns are

displacements

force

displacements and forces

none of the above

Q16 | In moment distribution method, the sum of distribution factors of all the members meeting at anyjoint is always

zero

less than 1

1

greater than 1

Q17 | The width of the analogous column in the method of column analogy is

2/ei

1/ei

1/2 ei

1/4 ei

Q18 | LEI

l/ei

l/2ei

l/3ei

l/4ei

Q19 | Degree of kinematic indeterminacy of a pin-jointed plane frame is given by

2j - r

j - 2r

3j - r

2j + r

Q20 | The number of independent equations to be satisfied for static equilibrium of a plane structure is

1

2

3

6

Q21 | While using three moments equation, a fixed end of a continuous beam is replaced by anadditional span of

zero length

infinite length

zero moment of inertia

none of the above

Q22 | Select the correct statement

flexibility matrix is a square symmetrical matrix

stiffness matrix is a square symmetrical matrix

both (a) and (b)

none of the above

Q23 | W Lx x

0.211 l

0.25 l

0.234 l

0.5 l

Q24 | Bending moment at any section in a conjugate beam gives in the actual beam

slope

curvature

deflection

bending moment

Q25 | The number of independent displacement components at each joint of a rigid-jointed space frameis

1

2

3

6