Construction Materials Question Paper of 3rd Semester Civil(D) Download Previous Years Question Paper 6

S.B. Roll No. _____________

CONSTRUCTION MATERIALS

3rd Exam/Civil/5148/May’08

Duration : 4 Hrs.

Section A

1.     Fill in the blanks

a.     A rock formed layer by layer is known as ______

b.     In bricks earth,  the  percentage of sit should be between ________

c.      On large scale the line is manufactured in __________

d.     Plywood in manufactured by gluing together ______ in _____ number

e.      Annual rings represent _____ of the tree.

f.       The thinner used for a oil paints is __________

g.     Ferrous metals are those, which contains ________ in large quantity.

h.     The plastics, which can be softened and reshaped , simple by heating are known a ____

i.       A good insulator should have  _____________ texture.

j.       Glass is prepared form a mixture of metallic ________

Choose the correct one:

k.     Mica attributes to the stone strength/ weakness.

l.       Roofing tiles are thinner / thicker than the floor tiles.

m.  The residue retained on 1.5 sleeve No 9 should not be more than 15% or 10% for fineness test of ordinary Portend cement.

n.     Thinner is added to the paint just/ long before the paint is the applied on the surface.

o.     Asbestos in a natural / artificial product.

Section –B

2.       

a.     Explain the geological classification of rocks giving one example of each

b.     Describe the characteristics of good brick earth.

c.      Differentiate between rapid hardening and low heat cement.

d.     What is seasoning of timber?

e.      What are  fibre boards and batten boards?

f.       Describe the manufacturer of Plywood.

g.     Describe briefly properties and uses of cast iron.

h.     Write short note on zinc

i.       Give the properties and uses of marble   

Section –C

Note: Attempt any two questions.

3.     Make a neat sketch of Hoffman’s kiln and explain its working. What are its advantages.

4.      

a.     State the characteristics of good building stone.

b.     What are the various methods of seasoning of timber? Explain in details the process of kiln seasoning.

5.      

a.     Name the different types of plants and explain in two giving it properties and uses.

b.     Explain in details the water absorption test of bricks