*22205* 11819 3 Hours / 70 Marks Seat No.€¦ · b) i) Define the term magnetic declination and...

P.T.O.

Instructions : (1) All questions are compulsory. (2) Answer each next main question on a new page. (3) Illustrate your answers with neat sketches wherever necessary. (4) Figures to the right indicate full marks. (5) Assume suitable data, if necessary. (6) Use of Non-programmable Electronic Pocket Calculator is

permissible.

Marks

1. Attempt any five of the following : (5×2=10)

a) Statetheclassificationofsurveybasedonobjectofsurvey.

b) Definerepresentativefractionofscale.

c) Listdifferenttypesoftapesbasedonmaterialofwhichtheyaremade.

d) Listthetypesofmeridian.

e) Definetheterm“lineofsight”.

f) Definetheterms“contour”and“contourline”.

g) Listcomponentpartsofadigitalplanimeter.

2. Attempt any three of the following : (3×4=12)

a) Explaintheprinciplesofsurveying.

b) Convertthefollowingbearingsintorelevantbearings: i) 138°15′ ii) 309°30′ iii) N42°E iv) S17°25′W

c) Explainthetemporaryadjustmentsofprismaticcompass.

d) Definethefollowingterms: i) Levelline ii) Benchmark

iii) Changepoint iv) Profilelevelling.

222053 Hours / 70 Marks SeatNo.

*22205*

11819

22205 [2] *22205*

Marks 3. Attempt any three of the following : (3×4=12) a) Drawconventionalsymbolsfor: i) Cutting ii) Dam iii) Electriclinewithpole iv) Forest b) Explaingraphicalmethodofadjustmentofclosingerrorofatraverse. c) DistinguishbetweenHIandriseandfallmethod. d) Listthesourcesoferrorsinlevellingandexplainanyoneindetail.

4. Attempt any three of the following : (3×4=12) a) Explaintypesofbenchmarks. b) Stateanyeightcomponentpartswithitsfunctionsofdumpylevel. c) Statethemethodsofcontouringandexplainanyoneindetail. d) Describetheprocedureformeasuringtheareausingdigitalplanimeter. e) Explaintheprocedureofcomputingthevolumeofreservoirfromanycontourmap.

5. Attempt any two of the following : (2×6=12) a) PlotthegivencrossstaffsurveyofthefieldPQRSTUPgivenFig.1andcalculateitsarea

insq.m.

(Fig.1)

b) i) Definethetermmagneticdeclinationanddeepoftheneedle. ii) Calculatethemagneticdeclinationatapointifthetruebearingis358°0′andmagnetic

bearingis1°30′. c) Thefollowingreadingswereobservedwithadumpylevel. 1.265,2.345,2.420,3.625,0.365,3.255,1.265,2.380and3.215. Theinstrumentwasshiftedafterfourthandsixthreadingsandthefirststaffreadingwas

takenonBMofRL335.435m.Preparethelevelpageoffieldbook,enterthereadingsandcalculatethereducedlevelsofallthepointsbyHImethod.Alsoapplyusualarithmeticchecks.

P 0

U28

T40

20Q 36

R

30 50 75 90 120 S

Marks*22205* [3] 22205

6. Attempt any two of the following : (2×6=12)

a) FollowingbearingswereobservedforthetraverseABCDEA.Detectthelocalattractionat the stations and correct the bearings of remaining lines.Also calculate includedangles.

Line FB BBAB 68°15′ 248°15′BC 148°45′ 326°15′CD 224°30′ 46°0′DE 217°15′ 38°15′EA 327°45′ 147°45′

b) Calculatethemissingreadingsandapplyarithmeticalchecksalso.

Station BS IS FS Rise Fall RL Remark

1 3.125 × B.M.12 × × 1.325 125.005 CP13 2.320 0.055 ×4 1.920 × 125.3505 × 2.655 × 124.615 CP26 1.620 3.205 2.165 × CP37 3.625 × 122.4508 × 2.145 122.590 B.M.2

c) PointsPandQaretwogroundpointsatadistanceof10m,withtheirreducedlevels45.490and48.430mrespectively.Interpolatethecontoursof46,47and48mbetweenpointsPandQ.

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