Reg. No.
Question Paper Code :
:
r3t24 .,..
2011. B.EJB.TCCh. DEGREE ELAMINATION, NOYEMBE&DICEMBER _-
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a
B.E.
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Civil
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Engineedng , ,,,
Thiral Semester .-'.
10r304-suR\E)'lNC-l (Regulation 2010) vruximum : 100 marks Answer ALL quPstions. PART A
What are the basic principles f
(1o
X.3.- ?0 darks)
eqryeyiig?
-l surveyor measured the distance tietyeen two points on the plan iLawn to a -l-. scale of 1cm = 40 m and the result iis 468 m. Later, however, he discovered rbat he used a scale of Jih.= 20 m. Find the true ilistance between the two
ir. . ''
points.
Shat is meant by m-agnetic.delc,Jination? Enlist the disadvantegds ofplane table suNeying What are the varioqsq&bods of booking a reduced level?
t..
Ighat is meant bytihe term contour gradient? . l' .t' Defuie thj term 'rtlinsiting of telescope".
ra
L
IYhat areJhe y&idus methods ofbalancing a traverse? IFhat is meanf by Reconnalssance sur-gey?
Enlist'ihe rarious special conditions confronted in the undergroundl suweys?
; ., -(a)
PART B
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(5
x
16 = 80
marks)
. Discuss the various methods ofhorizontal alistance measuements. ,: oI
O)
What are different tape coraections and how are they
applied?
(16)
(16)
12. (a)
travqrsel.The following are the bearings taken on a closed compass
Line
Fore
AB
BC cD DE
Bearing
14'20'
256"00
107'20',
286"20'
224'50'
44"50'
306'40'
126'0o',
'r'
13.
-.
..
fol
oliseivationsl . errors' the beadng bealring of the line CD to be correct adjust "t""rved also iletermine the tru.e bedrdtg d the inclination is 5o
"iii" East.""i,_"i"g "ia"s (b)
',.
Back Bearing
Conpute the interior angles aIr'l correct them
i"i""r"-* ii"
'
(16)
or ,' ,.:r,":
m{Lo{of trio point nroblem in locating (16) , .. . -..1 ..'
Describe \rith a neat sketeh, the the plane table
station.
(a) A eradienl of I in 400 falting tsom elevalion 67'45 m was set out bY the,required '- ;':;;;;;;" .i loo. l",""ul" .wirh the top or pegs. onpegs had ber of the some [haL *"J"?r,. m* a time rt was suspecEe'l tlrc for checking :,;;;;;; arrd the lollowine observations were taken (1 in the'ievels ofthe pegs if any ii"r,fr" "-r."*i"*. "rrorsLS ''f'.S R.L Remarks Station B.S 64.13 B.M 1 1.70 2 2.64 ' 0.720
: ,__.. .1.e6 ; ,. 4 :-..0.93 -' 5i :1.20
1.420 Peg.1 Peg.2
6. I .' r.so lz-,'1.?6
,
i{i-
q\, ';
i .
.l -ro
'1r
''tz 13 14 15
Peg.3 Peg.4
2.03
Peg.5
2.30
Peg.6
0.69
Peg.1
2-59 0 95
Peg.8
1.23
Peg.9
1.52
Peg.10
0.61
121 64.13
B.M
Or bY contour interpolation? Describe various methods contour interpolation.
'WIat is meant
l{
(a)
What are the various possibilties of error in theodolite work? How ate they eliminated? i ,)(16) Or
(b)
......'.
The following data were obtailed for a closeal traverse ABCDEA which was run in ihe counter * dockwise direction:
Line
AB BC cD DE EA
Length
(m) Bearing IncludedlAfg&. 'i
186 30'25' 164 303 1.62 ' 240
118"2i'---:,1 .i ,.!2.10, r
3?"O0',
',
'.13"44' .
D8".36'
Deterinine the closing error antl qa;,isi the i,taverse. Also compute the (16) conected consecutive coordinates ofthe txaverse stations.
(a)
TSo uniform grades 0.7% and -0:8%-a{6 to be connected by a vertica} cuwe having the chainage aiiil elevation of the point of intersection ofits two tangents as 3000m +d-390.0Qm, lespectively. Calculate the rate of (16) cha ge of gr.ade to be 0.05"/0 i6r 90fn chain. dY-'
O)
Explain the metho4 of se,tting out anil alignment oftunnel.
(16)
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