Structural Mechanics, Question Paper of Civil Engineering 4th Semester, Download Question Paper 4

Roll No­­­­­­­­­_________

STRCUTURAL MECHANICS

5^th Exam /Civil/5162/May’06

                                                             

Duration 3 Hrs.

Section –A

Note : attempt any ten questions.

1.       

a.     Give the classification of materials.

b.     What is volumetric strain?

c.      Define module of elasticity and rigidity.

d.     What do you mean by stresses due to torsion?

e.      Sketch and label different types of beams.

f.       What do you mean by ‘uniformly distributed load’?

g.     Define short force and give its sign convention.

h.     What do you mean by second moment of area?

i.       Define theorem of perpendicular axis.

j.       What do you mean by moment of resistance?

k.     Give rankine’s formula for columns.

l.       Define a perfect frame.

Section –B

Note : Attempt any three questions

2.              

a.     Find the second moment of area of a L-section 100 x 80 x20 mm about the horizontal and vertical axes passing through the centre of gravity of section.

b.     Determine the support reaction for the beam loaded as shown in fig. 1 nad draw BMD and SFD marking the values of various ordinates.

c.      A concrete block 2 m x 2 m  in x-section has self – weight of 90 KN  and carries  a vertical downward load of 20 kN at point P and xx-axis but eccentric about yy-axis. Calculate the distance of P from yy-axis if the maximum pressure is double the minimum pressure on the section. Also determine these pressures.

d.     Determine the deflection at the centre of simply supported beam AB loaded with u.d.i of ‘w’ Kn/ m on entire span L EI = constant