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Most answered questions in Geomatics Engineering
0
votes
2
answers
1
GATE2018 CE-1: 35
The following details refer to a closed traverse: Line Consecutive coordinate Northing (m) Southing (m) Easting (m) Westing (m) PQ --- $437$ $173$ --- QR $101$ ---- $558$ ---- RS $419$ --- --- $96$ SP ---- $83$ ---- $634$ The length and direction (whole circle bearing) of ... are $1$ m and $90^{\circ}$ $2$ m and $90^{\circ}$ $1$ m and $270^{\circ}$ $2$ m and $270^{\circ}$
gatecse
asked
in
Geomatics Engineering
Feb 17, 2018
by
gatecse
4.0k
points
gate2018-ce-1
geomatics-engineering
traversing
0
votes
0
answers
2
GATE Civil 2021 Set 2 | Question: 5
In general, the $\text{CORRECT}$ sequence of surveying operations is Field observations $\rightarrow$ Reconnaissance $\rightarrow$ Data analysis $\rightarrow$ Map making Data analysis $\rightarrow$ Reconnaissance $\rightarrow$ Field ... $\rightarrow$ Data analysis $\rightarrow$ Field observations $\rightarrow$ Map making
go_editor
asked
in
Geomatics Engineering
Mar 1, 2021
by
go_editor
5.3k
points
gatecivil-2021-set2
principles-of-surveying
0
votes
0
answers
3
GATE Civil 2021 Set 2 | Question: 25
A horizontal angle $\theta$ ... $\theta$ ( in degree, $\textit{round off to two decimal places}$is _________________
go_editor
asked
in
Geomatics Engineering
Mar 1, 2021
by
go_editor
5.3k
points
gatecivil-2021-set2
numerical-answers
distance-angle-measurement
0
votes
0
answers
4
GATE Civil 2021 Set 2 | Question: 34
For a given traverse, latitudes and departures are calculated and it is found that sum of latitudes is equal to $\text{+2.1 m}$ and the sum of departures is equal to $\text{-2.8 m}$. The length and bearing of the closing error, respectively, are $\text{3.50 m}$ ... $53.13^{\circ}$ $\text{SE}$ $\text{3.50 m}$ and $53.13^{\circ}$ $\text{SE}$
go_editor
asked
in
Geomatics Engineering
Mar 1, 2021
by
go_editor
5.3k
points
gatecivil-2021-set2
traversing-survey
0
votes
0
answers
5
GATE Civil 2021 Set 1 | Question: 16
Which of the following is $\text{NOT}$ a correct statement? The first reading from a level station is a 'Fore Sight' Basic principle of surveying is to work from whole to parts Contours of different elevations may intersect each other in case of an overhanging cliff Planimeter is used for measuring 'area'
Arjun
asked
in
Geomatics Engineering
Feb 20, 2021
by
Arjun
11.6k
points
gatecivil-2021-set1
principles-of-surveying
0
votes
0
answers
6
GATE Civil 2021 Set 1 | Question: 17
Which of the following is/are correct statement$\text{(s)}$? Back Bearing of a line is equal to Fore Bearing $\pm 180^{\circ}$ If the whole circle bearing of a line is $270^{\circ}$ ... line In the case of fixed hair stadia tachometry, the staff intercept will be larger, when the staff is held nearer to the observation point
Arjun
asked
in
Geomatics Engineering
Feb 20, 2021
by
Arjun
11.6k
points
gatecivil-2021-set1
surveying
distance-angle-measurement
0
votes
0
answers
7
GATE Civil 2021 Set 1 | Question: 55
Traversing is carried out for a closed traverse $\text{PQRS}$. The internal angles at vertices $\text{P, Q, R and S}$ are measured as $92^{\circ},68^{\circ},123^{\circ}$ and $77^{\circ}$, respectively. If fore bearing of line $\text{PQ}$ is $27^{\circ}$, fore bearing of line $\text{RS}$ (in degrees, in integer) is ___________________
Arjun
asked
in
Geomatics Engineering
Feb 20, 2021
by
Arjun
11.6k
points
gatecivil-2021-set1
numerical-answers
traversing-and-triangulation-survey
0
votes
0
answers
8
GATE2020-CE-1-21
A road in a hilly terrain is to be laid at a gradient of $4.5\%$. A horizontal curve of radius $100\:m$ is laid at a location on this road. Gradient needs to be eased due to combination of curved horizontal and vertical profiles of the road. As per IRC, the compensated gradient (in $\%$, round off to one decimal place), is _______.
go_editor
asked
in
Geomatics Engineering
Feb 28, 2020
by
go_editor
5.3k
points
gate2020-ce-1
horizontal-and-vertical-curves
numerical-answers
0
votes
0
answers
9
GATE2020-CE-1-38
An open traverse PQRST is surveyed using theodolite and the consecutive coordinates obtained are given in the table If the independent coordinates (Northing, Easting) of station $P$ are $(400\:m,200\:m)$, the independent coordinates (in $m$) of station $T$, are $194.7,370.1$ $205.3,429.9$ $394.7,170.1$ $405.3,229.9$
go_editor
asked
in
Geomatics Engineering
Feb 28, 2020
by
go_editor
5.3k
points
gate2020-ce-1
geomatics-engineering
traversing-survey
0
votes
0
answers
10
GATE2020-CE-1-55
The lengths and bearings of a traverse $PQRS$ are: $\begin{array}{|c|c|c|}\hline \text{Segment}&\text{Length}\:(m) &\text{Bearing}\\\hline PQ&40&80^\circ{} \\\hline QR&50&10^\circ{} \\\hline RS&30&210^\circ{}\\\hline\end{array}$ The length of line segment SP (in $m$, round off to two decimal places), is __________
go_editor
asked
in
Geomatics Engineering
Feb 28, 2020
by
go_editor
5.3k
points
gate2020-ce-1
geomatics-engineering
numerical-answers
traversing-survey
0
votes
0
answers
11
GATE2020 CE-2-38
A theodolite was set up at a station $P$. The angle of depression to a vane $2\ m$ above the food of a staff held at another station $Q$ was $45^\circ$. The horizontal distance between stations $P$ and $Q$ is $20\: m$. The staff reading at a benchmark $S$ ... to curvature and refraction, the $RL$ of the station $Q\: \text{(in m)},$ is $413.050$ $413.955$ $431.050$ $435.955$
go_editor
asked
in
Geomatics Engineering
Feb 13, 2020
by
go_editor
5.3k
points
gate2020-ce-2
geomatics-engineering
total-station
horizontal-curves
errors-and-adjustments
1
vote
0
answers
12
GATE2020 CE-2-55
A theodolite is set up at station $A$. The $RL$ of instrument axis is $212.250\: m$. The angle of elevation to the top of a $4\: m$ long staff, held vertical at station $B$, is $7^{\circ}$.The horizontal distance between stations $A$ and $B$ ... the errors due to curvature of earth and refraction, the $RL$ (in $m,$ round off to three decimal places) of station $B$ is ________.
go_editor
asked
in
Geomatics Engineering
Feb 13, 2020
by
go_editor
5.3k
points
gate2020-ce-2
numerical-answers
distance-angle-measurement
0
votes
0
answers
13
GATE2017 CE-2-13
The method of orientation used, when the plane table occupies a position not yet located on the map, is called as traversing radiation levelling resection
gatecse
asked
in
Geomatics Engineering
Aug 7, 2019
by
gatecse
4.0k
points
gate2017-ce-2
maps
geomatics-engineering
traversing
0
votes
0
answers
14
GATE2017 CE-2-22
The VPI (vertical point of section) is $100$ m away (when measured along the horizontal) from the VPC (vertical point of curvature). If the vertical is parabolic, the length of the curve (in meters and measured along the horizontal) is _______
gatecse
asked
in
Geomatics Engineering
Aug 7, 2019
by
gatecse
4.0k
points
gate2017-ce-2
numerical-answers
geomatics-engineering
vertical-curve
0
votes
0
answers
15
GATE2017 CE-2-25
While aligning a hill road with a ruling gradient $6\%$, a horizontal curve of radius $50 \: m$ is encountered. The grade compensation (in percentage, up to two decimal places) to be provided for this case would be _________
gatecse
asked
in
Geomatics Engineering
Aug 7, 2019
by
gatecse
4.0k
points
gate2017-ce-2
numerical-answers
geomatics-engineering
horizontal-curve
0
votes
0
answers
16
GATE2017 CE-2-38
Two towers, A and B, standing vertically on a horizontal ground, appear in a vertical aerial photograph as shown in the figure. The length of the image of the tower A on the photograph is $1.5$ cm and the tower B is $2.0$ cm. The distance of the top tower A ( ... point $p$ of the photograph. If the height of the tower B is $80$ m, the height (in meters) of the tower A is ________
gatecse
asked
in
Geomatics Engineering
Aug 7, 2019
by
gatecse
4.0k
points
gate2017-ce-2
numerical-answers
geomatics-engineering
photogrammetry
0
votes
0
answers
17
GATE2017 CE-2-55
An observer standing on the deck of a ship just sees the top of a lighthouse. The top of the lighthouse is $40$ m above the sea level and the height of the observer’s eye is $5$ m above the sea level. The distance $9$ in km, up to one decimal place) of teh observer from the lighthouse is __________
gatecse
asked
in
Geomatics Engineering
Aug 7, 2019
by
gatecse
4.0k
points
gate2017-ce-2
numerical-answers
geomatics-engineering
levelling
0
votes
0
answers
18
GATE2019 CE-1: 10
The interior angles of four triangles are given below: ... avoided in Triangulation surveys? $\text{Both P and R}$ $\text{Both Q and R}$ $\text{Both P and S}$ $\text{Both Q and S}$
Arjun
asked
in
Geomatics Engineering
Feb 14, 2019
by
Arjun
11.6k
points
gate2019-ce-1
geomatics-engineering
triangulation-survey
0
votes
0
answers
19
GATE2019 CE-1: 35
A survey line was measured to be $285.5 \: m$ with a tape having a nominal length of $30 \: m$. On checking, the true length of the tape was found to be $0.05 \: m$ too short. If the line lay on a slope of $1$ in $10$, the reduced length (horizontal length) of the line for plotting of survey work would be $283.6 \: m$ $284.5 \: m$ $285.0 \: m$ $285.6 \: m$
Arjun
asked
in
Geomatics Engineering
Feb 14, 2019
by
Arjun
11.6k
points
gate2019-ce-1
geomatics-engineering
principles-of-surveying
distance-measurement
0
votes
0
answers
20
GATE2019 CE-1: 47
A parabolic vertical curve is being designed to join a road of grade $+5 \%$ with a road of grade $-3 \%$. The length of the vertical curve is $400 \: m$ measured along the horizontal. The vertical point of curvature (VPC) is located on the ... $m$, round off to the nearest integer) is _________
Arjun
asked
in
Geomatics Engineering
Feb 14, 2019
by
Arjun
11.6k
points
gate2019-ce-1
numerical-answers
horizontal-and-vertical-curves
geomatics-engineering
0
votes
0
answers
21
GATE2019 CE-2: 22
The data from a closed traverse survey PQRS (run in the clockwise direction) are given in the table $\begin{array}{|c|c|} \hline \text{Line} & \text{Included angle (in degrees)} \\ \hline PQ & 88 \\ \hline QR & 92 \\ \hline RS & 94 \\ \hline SP & 89 \\ \hline \end{array}$ The closing error for the traverse PQRS (in degrees) is ______
Arjun
asked
in
Geomatics Engineering
Feb 12, 2019
by
Arjun
11.6k
points
gate2019-ce-2
numerical-answers
geomatics-engineering
traverse-survey
0
votes
0
answers
22
GATE2019 CE-2: 33
A camera with a focal length of $20$ cm fitted in an aircraft is used for taking vertical aerial photographs of a terrain. The average elevation of the terrain is $1200 \: m$ above mean sea level (MSL). What is the height above MSL at which an aircraft must fly in order to get the aerial photographs at a scale of $1:8000$? $2600 \: m$ $2800 \: m$ $3000 \: m$ $3200 \: m$
Arjun
asked
in
Geomatics Engineering
Feb 12, 2019
by
Arjun
11.6k
points
gate2019-ce-2
geomatics-engineering
photogrammetry-flying-height
0
votes
0
answers
23
GATE2016-2-23
Optimal flight planning for a photogrammetric survey should be carried out considering only side-lap only end-lap either side-lap or end-lap both side-lap as well as end-lap
Milicevic3306
asked
in
Geomatics Engineering
Mar 28, 2018
by
Milicevic3306
11.9k
points
gate2016-ce-2
geomatics-engineering
photogrammetric
0
votes
0
answers
24
GATE2016-2-24
The reduced bearing of a $10 \: m$ long line is $N 30^{\circ}E$. The departure of the line is $10.00 \: m$ $8.66 \: m$ $7.52 \: m$ $5.00 \: m$
Milicevic3306
asked
in
Geomatics Engineering
Mar 28, 2018
by
Milicevic3306
11.9k
points
gate2016-ce-2
geomatics-engineering
distance-and-angle-measurement
0
votes
0
answers
25
GATE2016-2-55
A tall tower was photographed from an elevation of $700$ m above the datum. The radial distances of the top and bottom of the tower from the principal points are $112.50$ mm and $82.40$ mm, respectively. If the bottom of the tower is at an elevation $250$ m above the datum, then the height (expressed in m) of the tower is _________
Milicevic3306
asked
in
Geomatics Engineering
Mar 28, 2018
by
Milicevic3306
11.9k
points
gate2016-ce-2
numerical-answers
geomatics-engineering
photogrammetry
0
votes
0
answers
26
GATE2016-1-23
The minimum number of satellites needed for a GPS to determine its position precisely is $2$ $3$ $4$ $24$
Milicevic3306
asked
in
Geomatics Engineering
Mar 28, 2018
by
Milicevic3306
11.9k
points
gate2016-ce-1
geomatics-engineering
geographical-positioning(gps)
0
votes
0
answers
27
GATE2016-1-24
The system that uses the Sun as a source of electromagnetic energy and records the naturally radiated and reflected energy from the object is called Geographical Information System Global Positioning System Passive Remote Sensing Active Remote Sensing
Milicevic3306
asked
in
Geomatics Engineering
Mar 28, 2018
by
Milicevic3306
11.9k
points
gate2016-ce-1
geomatics-engineering
basics-of-remote-sensing
0
votes
0
answers
28
GATE2016-1-25
The staff reading taken on a workshop floor using a level is $0.645$ m. The inverted staff reading taken to the bottom of a beam is $2.960$ m. The reduced level of the floor is $40.500$ m. The reduced level (expressed in m) of the bottom of the beam is $44.105$ $43.460$ $42.815$ $41.145$
Milicevic3306
asked
in
Geomatics Engineering
Mar 28, 2018
by
Milicevic3306
11.9k
points
gate2016-ce-1
staff-readings
geomatics-engineering
distance-and-angle-measurement
0
votes
0
answers
29
GATE2016-1-55
The vertical angles subtended by the top of a tower T at two instrument stations set up at P and Q, are shown in the figure. The two stations are in line with the tower and spaced at a distance of $60$ m. Readings taken from these two stations on a leveling staff ... ($BM=450.000$ m) are also shown in the figure. The reduced level of the top of the tower T (expressed in m) is _____
Milicevic3306
asked
in
Geomatics Engineering
Mar 28, 2018
by
Milicevic3306
11.9k
points
gate2016-ce-1
numerical-answers
geomatics-engineering
distance-and-angle-measurement
0
votes
0
answers
30
GATE2017 CE-1: 19
The number of spectral bands in the Enhanced Thematic Mapper sensor on the remote sensing satellite Landsat-$7$ is: $64$ $10$ $8$ $15$
Milicevic3306
asked
in
Geomatics Engineering
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2017-ce-1
geomatics-engineering
photogrammetry
remote-sensing
0
votes
0
answers
31
GATE2017 CE-1: 35
The observed bearings of a traverse are given below: ... $R$ Only $S$ $R$ and $S$ $P$ and $Q$
Milicevic3306
asked
in
Geomatics Engineering
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2017-ce-1
geomatics-engineering
traversing
0
votes
0
answers
32
GATE2015-2-24
In a leveling work, sum of the Back Sight (B.S.) and Force 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. (in m) of the last station is ________.
Milicevic3306
asked
in
Geomatics Engineering
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2015-ce-2
numerical-answers
geomatics-engineering
sight-distances
0
votes
0
answers
33
GATE2015-2-25
The combined correction due to curvature and refraction (in m) for a distance of $1$ km on the surface of Earth is: $0.0673$ $0.673$ $7.63$ $0.763$
Milicevic3306
asked
in
Geomatics Engineering
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2015-ce-2
geomatics-engineering
principles-of-surveying
0
votes
0
answers
34
GATE2015-2-54
The bearings of two inaccessible stations, $S_1$ (Easting $500$ m, Northing $500$ m) and $S_2$ (Easting $600$ m, Northing $450$ m) from a station $S_3$ were observed as $225^{\circ}$ and $153^{\circ}\: 26’$ respectively. The independent Easting (in m) of station $S_3$ is: $450.000$ $570.710$ $550.000$ $650.000$
Milicevic3306
asked
in
Geomatics Engineering
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2015-ce-2
geomatics-engineering
bearings
independent-easting
0
votes
0
answers
35
GATE2015-2-55
Two Pegs A and B were fixed on opposite banks of a $50$ m wide river. The level was set up at A and the staff readings on Pegs A and B were observed as $1.350$ m and $1.550$ m, respectively. Thereafter the instrument was shifted and set up at B. The staff reading on Pegs B and ... m and $0.550$ m, respectively. If the R.L. of Peg A is $100.200$ m, the R.L. (in m) of Peg B is _______.
Milicevic3306
asked
in
Geomatics Engineering
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2015-ce-2
numerical-answers
geomatics
pegs
staff-readings
distance-measurement
0
votes
0
answers
36
GATE2015-1-24
Which of the following statements is FALSE? Plumb line is along the direction of gravity Mean Sea Level (MSL) is used as a reference surface for establishing the horizontal control Mean Sea Level (MSL) is a simplification of the Geoid Geoid is an equi-potential surface of gravity
Milicevic3306
asked
in
Geomatics Engineering
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2015-ce-1
geomatics-engineering
levelling
mean-sea-level
0
votes
0
answers
37
GATE2015-1-25
In a closed loop traverse of $1$ km total length, the closing errors in departure and latitude are $0.3$ m and $0.4$ m, respectively. The relative precision of this traverse will be: $1:5000$ $1:4000$ $1:3000$ $1:2000$
Milicevic3306
asked
in
Geomatics Engineering
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2015-ce-1
geomatics-engineering
traversing
0
votes
0
answers
38
GATE2015-1-54
In a survey work, three independent angles $X, Y$ and $Z$ were observed with weights $W_X, W_Y, W_Z$,respectively. The weight of the sum of angles $X, Y$ and $Z$ is given by: $1/ \big( \dfrac{1}{W_X} + \dfrac{1}{W_Y} + \dfrac{1}{W_Z} \big) \\$ $\big( \dfrac{1}{W_X} + \dfrac{1}{W_Y} + \dfrac{1}{W_Z} \big) \\$ $W_X +W_Y+W_Z \\$ $W_X^2 +W_Y^2+W_Z^2$
Milicevic3306
asked
in
Geomatics Engineering
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2015-ce-1
numerical-answers
geomatics-engineering
surveying
distance-and-angle-measurement
0
votes
0
answers
39
GATE2015-1-55
In a region with magnetic declination of $2^{\circ}E$, the magnetic Fore bearing (FB) of a line $AB$ was measured as $N79^{\circ}50'E$. There was local attraction at $A$. To determine the correct magnetic bearing of the line, a point $O$ was selected at which there was no local ... true $FB$ of line $AB?$ $N81^{\circ}50'E$ $N82^{\circ}10'E$ $N84^{\circ}10'E$ $N77^{\circ}50'E$
Milicevic3306
asked
in
Geomatics Engineering
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2015-ce-1
geomatics-engineering
distance-and-angle-measurement
0
votes
0
answers
40
GATE2014-2-54
A tacheometer was placed at point $P$ to estimate the horizontal distances $PQ$ and $PR$. The corresponding stadia intercepts with the telescope kept horizontal, are $0.320$ m and $0.210$ m, respectively. The $\angle QPR $ ... $=100$ and stadia addition constant $=0.10$ m, the horizontal distance (in m) between the points $Q$ and $R$ is __________
Milicevic3306
asked
in
Geomatics Engineering
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2014-ce-2
numerical-answers
geomatics-engineering
distance-and-angle-measurement
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