CE 1301 – BUILDING TECHNOLOGY
Set No. 1
II B.Tech I Semester Supplimentary Examinations, November 2007
BUILDING MATERIALS AND CONSTRUCTION
(Civil Engineering)
Time: 3 hours
Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. (a) What are the qualities of good building stones? Discuss them.
(b) What is the texture of rock. Enumerate its various types.
[8+8]
2. (a) Discuss the varieties of terra-cotta?
(b) Write the advantages, disadvantages and uses of terra-cotta.
[8+8]
3. (a) Describe the chemical composition of cement.
(b) What are the good characteristics of aggregate used in cement
concrete?[8+8]
4. (a) Draw a neat cross-section of an exogenous tree and show
various components
of it and explain.
(b) Distinguish between mild steel and hard steel.
[10+6]
5. (a) What is a raft foundation ? When and where is it preferred to
other shallow
foundations. Explain with a neat sketch.
(b) What are floating foundations? Where are they useful? How
does they differ
from other foundations.
[10+6]
6. (a) Discuss the advantages of modular bricks .
(b) Discuss the advantages of brick masonry over stone masonry.
[8+8]
7. (a) State briefly the requirements of a good staircase.
(b) How are treads & risers proportioned.
(c) Where do you use the following types of stairs
i. Dog-legged stair.
ii. Open newel stair.
iii. Geometrical stair.
[5+5+6]
8. Describe the procedure of carrying out plastering in cement
mortar on new and old
wall separately?
[16]
Set No. 2
II B.Tech I Semester Supplimentary Examinations, November 2007
BUILDING MATERIALS AND CONSTRUCTION
(Civil Engineering)
Time: 3 hours
Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. (a) Give the list of explosives used in blasting and explain their
composition.
(b) Define natural bed of a stone and discuss its importance.
[8+8]
2. (a) What are the harmful ingredients in brick earth and explain
them.
(b) Explain the classification of brick earth.
[8+8]
3. (a) What is soundness of cement ? how it is determined in
laboratory ?
(b) What is fineness of cement ? How it is determined in laboratory?
[8+8]
4. (a) Differentiate between exogenous trees and endogenous trees.
(b) Describe the properties of mild steel.
[8+8]
5. (a) Describe the various loads to be considered in designing
foundations.
(b) Enumerate the objects of foundations
[8+8]
6. (a) Explain some specially shaped bricks, along with their places
of use (with neat
sketches)
(b) Explain the following with sketches
i. Perpend.
ii. Lap.
iii. Bed.
iv. Arises.
[10+6]
7. Define roof covering? What are the various types of roof
coverings commonly
adopted in India? Explain them in detail.
[16]
8. What is a varnish and why is it used? Classify different kinds of
varnish and give
brief description of each?
[16]
Set No. 3
II B.Tech I Semester Supplimentary Examinations, November 2007
BUILDING MATERIALS AND CONSTRUCTION
(Civil Engineering)
Time: 3 hours
Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. (a) What are the precautions to be taken in the process of blasting.
(b) Write a brief note on preservation of stones.
[8+8]
2. (a) Explain different classification of bricks.
(b) Write the uses of bricks.
[8+8]
3. (a) List out and explain physical properties of Portland cement.
(b) Describe the effect of water cement ratio on strength and
workability of concrete.
[2+6+8]
4. (a) Differentiate between natural seasoning and artificial
seasoning.
(b) Enumerate various market forms of steel and explain any two.
[8+2+3+3]
5. (a) What is a raft foundation ? When and where is it preferred to
other shallow
foundations. Explain with a neat sketch.
(b) What are floating foundations? Where are they useful? How
does they differ
from other foundations.
[10+6]
6. (a) State the advantages of cavity walls.
(b) Explain with the help of sketches, the details of cavity walls at
the Foundation
level and the Parapet level.
[6+10]
7. Define roof covering? What are the various types of roof
coverings commonly
adopted in India? Explain them in detail.
[16]
8. What preparatory work should be done before repainting of an
old painted surface.
[16]
Set No. 4
II B.Tech I Semester Supplimentary Examinations, November 2007
BUILDING MATERIALS AND CONSTRUCTION
(Civil Engineering)
Time: 3 hours
Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. (a) Write a brief note on deterioration of stones.
(b) Explain wedging and blasting methods of stone Quarrying.
[8+8]
2. (a) What are the advantages, disadvantages and uses of sand-lime
bricks.
(b) Explain the compressive strength and water absorption tests for
bricks. [6+10]
3. (a) Describe the field tests for cement.
(b) Can seawater be used for making concrete? Explain.
[8+8]
4. Write short notes on:
(a) Dry rot and wet rot.
(b) Kiln seasoning.
(c) Fire resistance of timber.
[6+5+5]
5. Differentiate between the following
(a) Floating foundation and raft foundation.
(b) Combined footing and strap footing.
[2x8]
6. Describe the following Ashlar masonry with neat sketches.
[4x4]
(a) Ashlar rough-tooled masonry.
(b) Ashlar quarry faced masonry.
(c) Ashlar chamfered masonry.
(d) Ashlar block-in-course masonry.
7. Explain design specifications for a staircase?
[16]
8. (a) What are the requirements of good plaster?
(b) Discuss the mortars which are used for painting and plastering.
[6+10]