S.B.
Roll No. _____________
SURVEYING-I1
3rd Exam/Civil/5147/Dec’05
Duration
: 4 Hrs.
Section A
1.
Fill in the blanks.
a.
Correction for sag is always
________
b.
_______ is used for setting out right angles.
c.
Variation tension in the chain
is ______ source of error.
d.
The angle between, two mirror
of optical square is equal to _____
e.
For accurate measure of
distances ________ is used
State True or false
f.
Invar tape cannot be used for
ordinary work.
g.
Chain survey is suitable in
flat country.
h.
In chain survey you work form
whole to part
i.
Optical square is a reflecting
instrument.
j.
Offset rod is sued for taking short offsets.
Section
–B
Note: Attempt any ten questions.
2.
a.
What is a back bearing? Explain
b.
What is the function of optical
square?
c.
Explain local attraction.
d.
How will you adjust plane
table?
e.
Explain orientation in plane
tabling.
f.
Differentiate between true and
magnetic bearing.
g.
Compare prismatic and
surveyor’s compass.
h.
What is sources of error in
levelling?
i.
Explain working of optical
square,
j.
What is traversing? Explain
k.
How off sets are recorded?
Explain
l.
Explain dip of needle.
Section – C
Note attempt any two questions
3.
A road actually 2660m long was
found to be 2652 m when measured with a defective 30m chain. How much correction does the chain
need in mm?
4.
a.
The baring of a line AB is 164
– 15 and the angle ABC is 117 30 . what is the bearing of BC?
b.
Find the angle between the
lines AB and BC if their respective bearings are 65- 45 and 117 30.
5.
a.
What are Lehmann’s rules for
solving thee point problems?
b.
Compare collimation method and
rise and fall method for levelling.
c.
What are the difficulties in
levelling.
0 comments:
Post a Comment
North India Campus