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Q1. | The width of the analogous column in the method of column analogy is |

A. | 2/EI [Wrong Answer] |

B. | 1/EI [Correct Answer] |

C. | 1/2 EI [Wrong Answer] |

D. | 1/4 EI [Wrong Answer] |

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Explanation:-
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⇒ Water retentivity for brick masonry should not be less than

50%

60%

70%

80%

⇒ Number of unknown internal forces in each member of a rigid jointed plane frame is

1

2

3

6

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

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Stiffness method

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

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is decreased

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becomes zero

⇒ A simply supported beam deflects by 5 mm when it is subjected to a concentrated load of 10 kN at its centre. What will be deflection in a 1/10 model of the beam if the model is subjected to a 1 kN load at its centre ?

5 mm

0.5 mm

0.05 mm

0.005mm

⇒ 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

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

1

2

3

6

⇒ 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

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Reactions from supports

No reactions

Strains in some members only

⇒ 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

⇒ 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

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1.5

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⇒ 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

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⇒ 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

⇒ If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by

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m - r + 2j

m + r - 2j

m + r - 3j

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

R

R

^{2}

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⇒ A single rolling load of 8 kN rolls along a girder of 15 m span. The absolute maximum bending moment will be

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column analogy method

three moment equation

none of the above

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

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horizontal direction

inclined direction

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

2/EI

1/EI

1/2 EI

1/4 EI

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2

3

4

unrestricted

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Equilibrium of forces

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influence coefficient

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

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20 cm

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⇒ The method of moment distribution in structural analysis is

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An exact method

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⇒ When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies

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more than the left half span

whole span

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

All elastic structures

Plastic structures

Symmetrical structures only

Prismatic element structures only