Construction Materials Question Paper of 3rd Semester Civil(D) Download Previous Years Question Paper 9

S.B. Roll No. _____________

CONSTRUCTION MATERIALS

3rd Exam/Civil/4751/May’10

Duration : 4 Hrs.

Section A

1.     Fill in the blanks

a.     Asbestos in composed of silicate of calcium and _________

b.     Ferrous materials are those which contain _____ in large quantities.

c.      The thinner used for oil paint is ___________

d.     The vehicle used in distemper is ________

e.      Plywood is __________ than an ordinary wood of same thickness.

f.       The defect caused due to the growth of sap wood over a wound let by a falling is called _______

g.     Gypsum is add to control the ________ of cement

h.     For performing compressive strength test,  the size of cube mould used should be _____

i.       Slaking is the process of breaking the lumps of lime into powder form by adding _______

j.       Over burnt bricks are also known as _________

Choose the correct one

k.      For large quantity of bricks, their burning should be done in kiln/clamp.

l.       Granite in derived from igneous / metamorphic / sedimentary rocks.

m.  Mango in endogenous / exogenous tree.

n.     The piles in plywood are so placed that the grain of each ply is at rights angle/ parallel to the grain the adjacent piles.

o.     Higher percentage of carbon increases/ decreases the strength of steel.

Section –B

Note : Attempt any ten questions

2.              

a.     Write down the properties and uses of marbie.

b.     What is clamp? How it works?

c.      Write a note on different of bricks.

d.     What are the different types of lime?

e.      Differentiate between fat lime and hydraulic lime.

f.       How the lime is slaked? What is the importance of slaking of lime?

g.     What are the properties of cement ? explain briefly

h.     What is the difference between rapid hardening cement and slow setting cement?

i.       What are different methods of artificial seasoning?

j.       What do you mean by dry rot and wet rot? Explain their causes.

k.     Differentiate between varnish and distemper?

l.       What are the characteristics of a good varnish .

m.  Give the uses of mild steel.

Section –C

Note: Attempt any three questions.

3.     Explain the classification of rocks in details.

4.     With the help of diagram explain the bull’s trench kiln.

5.     Explain the various wood based products?  What are manufacturing process of hard board and fibre board? Also explain their uses.

6.       

a.     Explain the requirements of an ideal or good paint?

b.     Give the properties of cast iron.