Construction Materials Question Paper of 3rd Semester Civil(D) Download Previous Years Question Paper 4

S.B. Roll No. _____________

CONSTRUCTION MATERIALS

3rd Exam/Civil/4751/Dec’08

Duration : 4 Hrs.

Section A

1.     Fill in the blanks

a.     Stones behave best to the compress vive load when they are placed with their natural bedding __________

b.     The standard dimensions of ideal bricks as per BIS are ______

c.      Compressive strength of A class brick is _______

d.     A flame type lime kiln is that kiln in which the _________ forms a part of the charge.

e.      For construction along sea shore, specify  _________ cement.

f.       In Surkhy mortar, sand is partly or wholly replaced by __________ as a filling material. With increase w/c ratio, strength of cone _____

g.     Seasoning is the process of reducing the _________

h.     Plywood is a material processed and developed form ______ as a source.

i.       In a paint, vehicle is the term indicating _______

Choose the correct one:

j.       Thinner used for oil paints is (turpentine/water)

k.     Pigment are added to give ______ to the plastin(colour / strength)

l.       Mango is an ________ tree(exogenous / endogenous)

m.  Strength of cement ________ with storage(increase / decrease)

n.     Rocks formed by cooling of the molten lava outside or inside the earth are called (igneous rocks / sedimentary rocks)    

Section-B

2.       

a.     List basic principles of quarrying.

b.     What are harmful ingredients in brick earth.

c.      What is calcinations?

d.     What is soundness of cement?

e.      What is quick setting cement?

f.       Differentiate between lime mortar and cement mortar

g.     What is fineness modulus?

h.     What are the qualities of timber?

i.       Differentiate between ferrous and non ferrous metals.

j.       What are the different type of surface finishes?

Section –C

Note: Attempt any two questions.

3.     Explain with the help of neat sketch construction and working of Hoffman’s kiln.

4.     Write detailed account of functions, types and methods of applications of varnishes ?

5.     Describe some major defects of timber with the help of neat sketches.