1. Choose the most appropriate options In questions to given below.

For a plane structure, the number of equations for static equilibrium is

2

3

4

6

Intensity of a UDL, covering full span of a simply supported beam of 10 m length, to produce maximum BM equal to the maximum BM produced by a 100 concentrated load applied at the centre of the beam, is

2 N/m

20 N/m

10 N/m

5 N/m

The point where the mass of an object may be taken to be concentrated is

its thickest part

support

hinge

centre of gravity

Which of the following may be considered as a composite material?

Steel

Timber

Stone

Reinforced concrete

Euler's theory may be applied to

Short columns

Pedestals

Long columns

Both long and short columns

In the case of pure bending in a beam

Shear force is constant

Shear force is maximum

Shear force does not change its sign

Shear force is zero

Buckling load for a column is calculated when the column is

in a stable condition

in an unstable condition

in a neutral condition

in a broken or failed condition

Discuss briefly the advantages of using composite sections in structural members.

Write the basic equation of pure bending explaining various terms.

3. Locate the centroid of the area shown in Figure 1 below, with respect to the axes shown.

<img src='./qimages/15031-3.jpg'>

Draw SFD and BMD for the beam shown in Figure 2.

<img src='./qimages/15031-4a.jpg'>

Discuss how end conditions affect the buckling load of a column.

What do you understand by 'moment of inertia' Discuss briefly.

Write the various steps of 'Method of joints', used for analysing plane trusses.

What are those factors on which deflection at a point in a beam depends Discuss briefly.

Draw deflected shape for the beam shown in Figure 3and Figure 4.

<img src='./qimages/15031-6b.jpg'>

7. Write short notes on any four of the following topics:

Space structures

Coplanar forces

Funicular polygon

Ductility and its advantages

Types of trusses