Construction Materials Question Paper of 3rd Semester Civil(D) Download Previous Years Question Paper 3

S.B. Roll No. _____________

CONSTRUCTION MATERIALS

3rd Exam/Civil/5148/Dec’07

Duration : 4 Hrs.

Section A

1.     Fill in the blanks

a.     Quartzite is _________ to work with.

b.     Iron oxide present in the brick earth provides _______ to the brick.

c.      Hydraulic lime s used for ______

d.     Ply wood is ________ than an ordinary wood of same thickness

e.      The principle ore of aluminium is known as ________

State True or false

a.     In the construction of Red Fort at Delhi red marble had been used.

b.     Tricalcium silicate provides the early strength to the cement.

c.      Mango is an endogenous type of tree. 

d.     Higher percentage of carbon increases the strength of steel

e.      PVC stands for polymer venile chlorate

Choose the correct one

a.     Lime stone is derived form calcareous/ argillaceous siliceous rocks

b.     Glazing is done to provide strength/ imperviousness/ shineness to earthen stone ware.

c.      Vicat’s  apparatus is sued for compressive test / soundness test / consistency test of cement.

d.     The moisture contents present in the wood should not be more than 15% /25%/30%.

e.      The transparent solution of resinous substance either in turpentine or alcohol is called paint / varnish / lacquer.

f.       Wired glass is used for window panes / show cases sky light.

Note: Differentiate between the following:

2.       

a.     Pilla bricks and over burnt bricks

b.     Initial setting and final setting of cement.

c.      Knots and honey combing defects of timber

d.     Bitumen and tar

e.      Wedging method and blasting for the quarrying of stones.

         

Note: attempt any three questions.

3.       

a.     What do you mean by pozzolana cement?

b.     In what respects it differs fro rapid hardening cement discuss in detail.

4.      

a.     What do you mean by seasoning of timber?  Write down its objects.

b.     Describe any one method for artificial method of seasoning of timber.

     

5.     Clearly show the differentiate between cut backs , emulsion and mastic asphalt as regards the composition, properties and uses of each.

6.       

a.     Write down general characteristics of a good building stone.

b.     Make a neat sketch of Hoffman’s kiln and explain its working.