Roll No_________
SOIL AND
FOUNDATION ENGG.
5th
Exam /Civil/5183/May’06
Duration 3 Hrs.
Note : Attempt all questions
1.
Fill in the blank
a.
Aeolian soil is classified as ______
b.
More liquid limit means ______
c.
Effective stress is also known as ______
d.
Strength of soil is usually identified by ____
e.
Zero air void line is also known as _____
Choose the correct answer:
f.
Auger boring is suitable upto what depth for
sub-soil exploration 2m, 9m, 20m.
g.
In plate load test reading are taken upto an
accuracy of 0.02m.m, 0.2m.m , .oo2m.m
h.
Which is least permeable material sand /silty
clay/stiff clay.
i.
In which soil process of consolidation is
quicker. Fine – grained soil/coarse grained soil.
j.
When the plasticity index of soil is zero then
soil is clay/sand / silt.
State True or False.
k.
Pile foundation is used in sandy soil.
l.
Dry density is minimum at OMC.
m. Compaction
helps to decreases the bearing capacity.
n.
Specific gravity of soil is determined at VPC
o.
Fine soils pass through 75 micron IS sieve.
Section
–B
2.
Attempt any then
questions
a.
Define and explain geological cycle.
b.
Differentiate between unit weight and bulk
density of soil. Write detailed not on poorly graded soils.
c.
Write detailed note on poorly graded soils.
d.
Explain dilatancy test performed on soil.
e.
Compare permeability of gravel and fine sand.
f.
Briefy explain the concept of total stress.
g.
Bring out the difference between creep and
plastic flow of soils.
h.
Define angle of internal friction and it effect
on bearing capacity of soils.
i.
List function of foundations
j.
Write a note on formation of soils.
k.
Give sizes of set of sieve for mechanical
analysis of soil
l.
What are
transported soils and how they differ from residual soils.
Section –C
3.
Attempt any three questions
a.
What is absorbed water? How does it effect the
properties of soil mass ? is it useful?
b.
Why particle size distribution curve drawn on
semi – logarithm graph sheet. Give its utility.
c.
Describe how more dry density and OMC is found
by standard proctor compaction test.
d.
What is field compaction? Explain different methods
commonly used for compacting soils in field.
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