In a levelling work, sum of the back sight (B.S.) and Fore sight (F.S.) have been found to be 3.085 m and 5.645 m respectively. If the Reduced level (R.L.) of the starting station is 100.000 m, the R.L. of the last station is
leryhdj.k dk;Z esa] i'p n`f"V (B.S-) vkSj vxz n`f"V (F.S-) dk ;ksx Øe'k% 3.085 ehVj vkSj 5.645 ehVj ik;k x;k gSA ;fn izkjafHkd LVs'ku dk ?kVk gqvk Lrj (R.L.) 100.000 ehVj gS] rks vafre LVs'ku dk R.L. gS
Calculate the magnetic declination, if the magnetic bearing of a line is N81°E and true bearing of the line is N77°E.
pqacdh; voufr dh x.kuk djsa] ;fn fdlh js[kk dh pqacdh; fn'kk N81°E gS vkSj js[kk dh okLrfod fn'kk N77°E gSA
In order to determine the natural features such as valleys, rivers, lakes etc, the surveying preferred is
?kkfV;ksa] ufn;ksa] >hyksa vkfn tSls izkÑfrd fo'ks"krkvksa dks fu/kZkfjr djus ds fy, losZ{k.k dks izkFkfedrk nh tkrh gS
If L represents the staff reading and 'x' as the angle of inclination, error due to non-vertically of the staff will be
;fn L LVkQ jhfMax dks n'kkZrk gS vkSj 'x' >qdko ds dks.k ds :i esa gS] rks LVkQ ds xSj&ÅèokZ/kj gksus ds dkj.k =kqfV gksxh
The permissible error in chaining for measurement with chain on hilly terrain is-
ioZrh; Hkw&Hkkx ij J`a[kyk ds lkFk eki ds fy, tathj esa vuqes; =kqfV gS&
A building is an obstacle to
,d bekjr ck/kk gS
Which of the following methods of contouring is most suitable for hilly terrain ?
ioZrh; {ks=kksa ds fy, fuEufyf[kr esa ls dkSu&lh leksPp of/a lokZfèkd mi;qDr gS\
A scale representing either three units or only one unit and its fractions upto second place of decimal point is
rhu bdkb;ksa ;k dsoy ,d bdkbZ vkSj n'keyo fcanq ds nwljs LFkku rd mlds va'kksa dks n'kkZus okyk iSekuk dgykrk gS
When the bubble of a level tube was moved by 10 divisions, the change in staff intercept was 0.05 m. If the distance between the staff and the instrument was 100 m, then the sensitiveness of bubble tube is given by:
tc ,d ysoy V~;wc ds cqycqys dks 10 fMohtuksa }kjk LFkkukarfjr fd;k x;k Fkk] rks LVkiQ baVjlsIV esa ifjorZu 0.05 ehVj FkkA ;fn LVkQ vkSj midj.k ds chp dh nwjh 100 ehVj Fkh] rks ccy V~;wc dh laosnu'khyrk bl izdkj nh xbZ gS
As per Indian standard specification, the length of one link in 30 metre chain is
Hkkjrh; ekud fofunsZ'k ds vuqlkj] 30 ehVj J`a[kyk esa ,d fyad dh yackbZ gS
For a well-conditioned triangle, an angle should not be less than:
,d lqO;ofLFkr f=kHkqt ds fy,] dks.k de ls de ugha gksuk pkfg,\
Imaginary line joining the points of zero declination on the surface of earth is known as
i`Foh dh lrg ij 'kwU; >qdko ds fcanqvksa dks feykus okyh dkYifud js[kk dks D;k dgrs gSa\
After fixing the plane table to the tripod, the main operations which are needed at each plane table station are
(i) Levelling
(ii) Orientation
(iii) Centering
The correct sequence of these operations is
Iysu Vscy dks VªkbikWM ij fiQDl djus ds ckn] izR;sd Iysu Vscy LVs'ku ij ftu eq[; vkWijs'kuksa dh vko';drk gksrh gS] os gSa%
(i) lery djuk
(ii) vfHkfoU;kl
(iii) dsUnzhr djuk
bu lafØ;kvksa dk lgh Øe gS
Calculate the combined correction, due to refraction and Earth's curvature, in levelling (surveying) for a distance of 2500 m.
2500 ehVj dh nwjh ds fy, leryhdj.k (losZ{k.k) esa viorZu vkSj i`Foh dh oØrk ds dkj.k la;qDr lq/kkj dh x.kuk djsaA
Mean sea level (MSL) adopted by Survey of India for reference, is located at ?
सर्वेक्षण विभाग द्वारा संदर्भ के लिए अपनाया गया औसत समुद्र तल कहाँ स्थित है
A closed contour line with two or more higher contours inside it will represent a?
,d can leksPp js[kk ftlds vanj nks ;k nks ls vf/d mPp vkÑfr;k¡ gksa] dk izfrfuf/Ro djsaxh\
The following measurements were made during testing a levelling instrument. P1 is close to P and Q1 is close to Q. If the reduced level of station P is 100.000 m, the reduced level of station Q is
leryhdj.k midj.k ds ijh{k.k ds nkSjku fuEufyf[kr eki fd, x,A P1, P ds djhc gS vkSj Q1, Q ds djhc gSA ;fn LVs'ku P dk ?kVk gqvk Lrj 100.000 ehVj gS] rks LVs'ku Q dk ?kVk gqvk Lrj gS
In total station, data is stored in
VksVy LVs'ku esa MkVk LVksj fd;k tkrk gS
The quadrantal bearing of the line lies in the third quadrant making angle in clockwise with the north is ?
js[kk dk prqHkqZt cs;fjax rhljs prqHkqZt esa fLFkr gS tks mÙkj ds lkFk nf{k.kkorZ esa dks.k cukrk gS\
Compensating errors in chaining are
J`a[kykc)rk esa izfriwjd =kqfV;k¡ gSa
During a levelling work along a falling gradient using a Dumpy Level and a Staff of 3 m length, following successive readings were taken: 1.785, 2.935, 0.360, 1.320. What will be the correct order of booking these four readings in a level book? (BS : Back Sight, IS : Intermediate Sight, FS : Fore Sight)
MEih ysoy vkSj 3 ehVj yackbZ ds LVkiQ dk mi;ksx djds fxjrs <ky ds lkFk leryhdj.k dk;Z ds nkSjku] fuEufyf[kr Øfed jhfMax yh xbZa% 1.785, 2.935, 0.360, 1.320 A ysoy cqd esa bu pkj jhfMax dks ntZ djus dk lgh Øe D;k gksxk\ (BS : cSdlkbV] IS : baVjehfM,VlkbV] FS : QksjlkbV)
The whole circle bearing of line AB is 50° and line BC is 120°. The defection angle at B from AB to BC is
js[kk AB dk laiw.kZ o`Ùkkdkj dks.k 50° gS vkSj js[kk BC 120° gSA AB ls BC rd B ij fopyu dks.k gS
The long chord and tangent length of a circular curve of Radius "R" will be equal if the angle of deflection is
f=T;k R okys o`Ùkkdkj oØ dh yach thok vkSj Li'k Zjs[kk dh yackbZ cjkcj gksxh ;fn fo{ksi.k dks.k gS
In case, theodolite is with four levelling screws, levelling up is done
;fn fFk;ksMksykbV pkj ysofyax LØw ds lkFk gS] rks ysofyax Åij dh tkrh gS
The method of levelling in which the heights of mountains are found by observing the temperature at which water boils is known as:
leryhdj.k dh og fof/k ftlesa ikuh ds mcyus ds rkieku dks ns[kdj igkM+ksa dh Å¡pkbZ Kkr dh tkrh gS] dgykrh gS
When the difference in elevation between two points is determined from a single setup by back sighting on one point and fore sighting on the other point and lengths of foresight and backsight are made equal then
tc nks fcanqvksa ds chp Å¡pkbZ esa varj ,d gh lsV vi ls ,d fcanq ij cSdlkbfVax vkSj nwljs fcanq ij QksjlkbfVax }kjk fu/kZkfjr fd;k tkrk gS vkSj QksjlkbV vkSj cSdlkbV dh yackbZ cjkcj dj nh tkrh gS rks
If the survey is intended for detailed design work or for accurate earth work calculations then ______ contour interval should be used.
;fn losZ{k.k foLr`r fMtkbu dk;Z ;k lVhd Hkw&dk;Z x.kuk ds fy, fd;k tk jgk gS rks _______leksPp varjky dk mi;ksx fd;k tkuk pkfg,A
The bearings of two lines AB and AC are N90ºW and S90ºW respectively. The included angle BAC will be:
nks js[kkvksa AB vkSj AC dh fn'kk,¡ Øe'k% N90°W vkSj S90°W gSaA lfEefyr dks.k BAC gksxk%
When you transit the telescope, you rotate the telescope about the
tc vki nwjchu dks ikj djrs gSa] rks vki nwjchu dks ?kqekrs gSa
If the reduced bearing of a line AB is N60°W and length is 100 m, then the latitude and departure of the line AB will be,
;fn js[kk AB dh Reduced bearing N60°W gS vkSj yackbZ 100 ehVj gS] rks js[kk AB dk v{kka'k vkSj izLFkku gksxk
The zero graduation in prismatic compass is marked in the
fizTeh; dEikl esa 'kwU; va'kkdu vafdr gS
The overall length of a 20 m chain when measured at 8 kg pull and checked against a steel tape standardized at 20°C shall be within
20 ehVj dh psu dh dqy yEckbZ 8 fdyksxzke ds f[kapko ij ekih tk, vkSj 20 fMxzh lsfYl;l ij ekudhÑr LVhy Vsi ls tkaph tk, rks ;g yackbZ ds Hkhrj gksxh
When the magnetic bearing of the sun at noon is 185°20', the magnetic declination will be:
tc nksigj ds le; lw;Z dh pqacdh; fn'kk 185°20' gksxh] rks pqEcdh; >qdko gksxk
Consider the following figure, which is an extract from a contour map (scale = 1 : 20,000) of an area. An alignment of a road at a ruling gradient of 4% is to be fixed from the point O and beyond. What should be the radius of the arc with O as the center to get the point of alignment of the next contour on the map?
fuEufyf[kr fp=k ij fopkj djsa] tks fdlh {ks=k ds leksPp ekufp=k (Ldsy = 1:20,000) ls fy;k x;k gSA 4% ds 'kkld <ky ij ,d lM+d dk lajs[k.k fcanq O ls vksj mlds vkxs r; fd;k tkuk gSA ekufp=k ij vxys leksPp ds lajs[k.k fcanq dks izkIr djus ds fy, O dks dsUnz ds :i esa pki dh f=T;k D;k gksuh pkfg,\
Consider the following statements:
The general principles of surveying are
1. To work from part to whole.
2. To locate a new station by measurements from at least two fixed reference points already established and/or identifiable.
Which of the above statements are correct?
fuEufyf[kr dFkuksa ij fopkj djsa%
losZ{k.k ds lkekU; fl¼kar gSa%
1- Hkkx
ls laiw.kZ dk;Z djukA
2- igys
ls LFkkfir vkSj ;k igpkus tkus ;ksX; de ls de nks fuf'pr lanHkZ fcanqvksa ls
eki ds }kjk ,d u, LVs'ku dk irk yxkukA
mijksDr esa ls dkSu ls dFku lgh gSa&
The plan of a survey plotted to a scale of 10 m to 1 cm is reduced in such a way that a line originally 10 cm long now measures 9 cm. The area of the reduced plan is measured as 81 cm2. The actual area (m2) of the survey is
10 ehVj ls 1 lseh ds iSekus ij IykWV fd, x, losZ{k.k dh ;kstuk dks bl rjg ls de fd;k tkrk gS fd ewy :i ls 10 lseh yach ,d js[kk vc 9 lseh ekirh gSA de dh xbZ ;kstuk dk {ks=kiQy 81 lseh2 ekik tkrk gSA losZ{k.k dk okLrfod {ks=kQy (eh2) gsS
The effect of curvature of earth is to make the objects appear
i`Foh dh oØrk dk izHkko ;g gS fd oLrq,¡
Which of the following actions is not a permanent adjustment in case of transit theodolite ?
An offset is laid out 5° from its true direction on the field. If the scale of plotting is 20 m to 1 cm, find the maximum length of the offset so that the displacement of the point on the paper may not exceed 0.5 mm.
QhYM ij bldh okLrfod fn'kk ls 5° ij ,d vkWQlsV cuk;k x;k gSA ;fn IykWfVax dk iSekuk 20 ehVj ls 1 lseh- gS] rks vkWiQlsV dh vf/kdre yackbZ Kkr djsa rkfd dkxt ij fcanq dk foLFkkiu 0-5 feeh ls vf/kd u gksA
Consider the below statements with respect to surveying and identifying the correct answer.
Statement A: Latitude of a survey line is defined as its coordinate length measured in the direction perpendicular to an assumed meridian direction.
Statement B: The type of levelling in which levels are taken on each side of a main line at right angles to that line in order to determine a vertical cross-section of the surface of the ground is called Differential levelling.
losZ{k.k ds laca/k esa uhps fn, x, dFkuksa ij fopkj djsa vkSj lgh mÙkj dh igpku djsaA
dFku A : losZ{k.k js[kk ds v{kka'k dks bldh leUo; yackbZ ds :i esa ifjHkkf"kr fd;k tkrk gS] ftls ,d vuqekfur eè;kg~u fn'kk ds yacor fn'kk esa ekik tkrk gSA
dFku B : leryhdj.k dk og izdkj ftlesa tehu dh lrg ds ÅèokZ/kj ØkWl&lsD'ku dks fu/kZfjr djus ds fy, eq[; js[kk ds izR;sd rjQ ml js[kk ds ledks.k ij Lrj fy;k tkrk gS] mls foHksnd leryhdj.k dgk tkrk gSA
The following bearings were taken in a closed compass traverse.
fuEufyf[kr ch;fjax ,d can dEikl VªsolZ esa fy, x, FksA
Calculate the corrected fore bearing of line 'DE' by assuming that the observed bearing of line 'CD' is correct.
js[kk 'DE' dh la'kksf/kr vxz fn'kk dh x.kuk djsa] ;g ekudj fd js[kk 'CD' dh izsf{kr fn'kk lgh gS
In plane table surveying, Lehmann's rule are associated with:
Iysu Vscy losZ{k.k esa] ysgeSu dk fu;e fdlls tqM+k gqvk gsS
In transit theodolite, the index frame or a T-shaped frame consisting of a vertical leg is known as
VªkaftV fFk;ksMksykbV esa] baMsDl Qse ;k ,d Vh vkdkj dk Qse ftlesa ,d ÅèokZ/kj iSj gksrk gS] mls fdl :i esa tkuk tkrk gS\
How are the stadia constants of a tacheometer determined?
VSdksehVj ds LVsfM;k fLFkjkad dk fu/kZkj.k dSls fd;k tkrk gS\
Pantagraph is used for
isaVkxzkiQ fdlds fy, iz;ksx fd;k tkrk gS
Radius of visible horizon from top of a 134 m light house will be
,d 134 m Å¡ps ykbV gkml ls fn[kus okys f{kfrt dh nwjh gksxh
Which one is the correct order of the tapes based on their accuracy
Vsi dh lVhdrk ds vk/kj ij dkSulk Øe lgh gS
A staff reading taken on a point whose elevation is to be determined as a change point is called
,sls fcUnw ij fy, x, xt ikB;kad (jhfMax) dks D;k dgk tkrk gS ftldk ifjorZu fcUnw ds :i esa fu/kkZfjr fd;k tkrk gS\
When the angular and linear measurements are equally precise in traversing, the balancing of a traverse in done by:
tc paØe.k eas dks.kh; vkSj jSf[kd eki ifj'kq) gS] paØe.k dk larqyu fuEu }kjk fd;k tkrk gSA
Which one of the following Remote Sensing Systems employs only one detector?