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Q1. | The Castigliano's second theorem can be used to compute deflections |

A. | in statically determinate structures only [Wrong Answer] |

B. | for any type of structure [Correct Answer] |

C. | at the point under the load only [Wrong Answer] |

D. | for beams and frames only [Wrong Answer] |

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Explanation:-
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**Also Read Similar Questions Below :**

⇒ In column analogy method, the area of an analogous column for a fixed beam of span L and flexural rigidity El is taken as

L/EI

L/2EI

L/3EI

L/4EI

⇒ The timber floor not spanning on the masonry wall but properly anchored to the wall gives

lateral restraint but not rotational restraint

rotational restraint but not lateral restraint

both lateral and rotational restraints

neither lateral nor rotational restraint

⇒ For strengthening a 50 m long and 5 m high straight compound wall built in brick work, which one of the following would be most suitable?

providing buttresses at certain intervals

providing a deeper foundation

using a richer mortar

using stronger bricks

⇒ The fixed support in a real beam becomes in the conjugate beam a

roller support

hinged support

fixed support

free end

⇒ For masonry built in 1:1:6 cement-lime-sand mix mortar or equivalent, the horizontal shear stress permissible on the area of a mortar bed joint is

0.15 MPa

0.125 MPa

0.1 MPa

0.075 MPa

⇒ The thickness of each leaf of a cavity wall shall not be less than

5 cm

7.5 cm

10 cm

15 cm

⇒ The width of the analogous column in the method of column analogy is

2/EI

1/EI

1/2 EI

1/4 EI

⇒ Rich cement mortars are more liable to cracking as compared to lean mortars because rich mortars have

high shrinkage

less strength

both (a) and (b)

none of above

⇒ 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

⇒ The horizontal thrust due to rise in temperature in a semicircular two-hinged arch of radius R is proportional to

R

R

^{2}

1/R

1/R

^{2}

⇒ For a single point load W moving on a symmetrical three hinged parabolic arch of span L, the maximum sagging moment occurs at a distance x from ends. The value of x is

0.211 L

0.25 L

0.234 L

0.5 L

⇒ Minimum thickness of stiffening wall for 1 to 3 storeys shall not be less than

10 cm

15 cm

20 cm

30 cm

⇒ The maximum bending moment due to a train of wheel loads on a simply supported girder

always occurs at center of span

always occurs under a wheel load

never occurs under a wheel load

none of the above

⇒ A free standing brick wall 20 cm thick is subjected to a wind pressure of 75kg/m2. The maximum height of wall from stability consideration is

0.64 m

0.96 m

1.28 m

1.5 m

⇒ 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

⇒ In moment distribution method the sum of distribution factors of all the members meeting at any joint is always

Zero

< 1

> 1

= 1

⇒ The moment distribution method in structural analysis can be treated as

Force method

Displacement method

Flexibility method

None of these

⇒ In moment distribution method, the sum of distribution factors of all the members meeting at any joint is always

zero

less than 1

1

greater than 1

⇒ The ratio between the stress produced in a bar by a sudden applicaiton of load on compared to the stress produced by the gradual application of same load is

1.5

2.0

2.5

3.0

⇒ The analysis of statically indeterminate structures by the unit load method is based on

Consistent deformation

Stiffness method

Consistent force

None of these

⇒ Degree of static indeterminacy of a rigid-jointed plane frame having 15 members, 3 reaction components and 14 joints is

2

3

6

8

⇒ 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

⇒ 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

⇒ The basic stress in masonry units having height to width ratio of 1.5 may be increased by a factor of

1.2

1.4

1.6

2.0

⇒ To generate the j th column of the flexibility matrix

a unit force is applied at coordinate j and the displacements are calculated at all coordinates

a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates

a unit force is applied at coordinate j and the forces are calculated at all coordinates

a unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates

⇒ Minimum compressive strength in N/mm2 for H1 type mortar used for masonry is

3

5

7.5

10

⇒ 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

⇒ The mode of failure of a very short masonry member having h/t ratio of less than 4 is by

shear

vertical tensile splitting

buckling

any of the above

⇒ The three moment equation in structural analysis is basically a

Stiffness method

Displacement method

Energy method

Flexibility method

⇒ Maxwell's reciprocal theorem in structural analysis can be applied in

All elastic structures

Plastic structures

Symmetrical structures only

Prismatic element structures only