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Recent questions and answers in Geomatics Engineering
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1
GATE2020CE121
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 _______.
asked
Feb 28, 2020
in
Geomatics Engineering
by
jothee
(
2.7k
points)
gate2020ce1
geomaticsengineering
horizontalandverticalcurves
numericalanswers
0
votes
0
answers
2
GATE2020CE138
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 $194.7,370.1$ $205.3,429.9$ $394.7,170.1$ $405.3,229.9$
asked
Feb 28, 2020
in
Geomatics Engineering
by
jothee
(
2.7k
points)
gate2020ce1
geomaticsengineering
traversingsurvey
0
votes
0
answers
3
GATE2020CE155
The lengths and bearings of a traverse $PQRS$ are: $\begin{array}{ccc}\hline \text{Segment}&\text{Length}\:(m) &\text{Bearing}\\\hline PQ&40&80^\circ{} \\\hline QR&50&10^\circ{} \\\hline RS&30&210^\circ{}\\\hline\end{array}$ The length of line segment SP (in $m$, round off to two decimal places), is __________
asked
Feb 28, 2020
in
Geomatics Engineering
by
jothee
(
2.7k
points)
gate2020ce1
geomaticsengineering
numericalanswers
0
votes
0
answers
4
GATE2020 CE238
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 $413.050$ $413.955$ $431.050$ $435.955$
asked
Feb 13, 2020
in
Geomatics Engineering
by
jothee
(
2.7k
points)
gate2020ce2
geomaticsengineering
totalstation
horizontalcurves
+1
vote
0
answers
5
GATE2020 CE255
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 ________.
asked
Feb 13, 2020
in
Geomatics Engineering
by
jothee
(
2.7k
points)
gate2020ce2
numericalanswers
geomaticsengineering
horizontalandverticalcurves
0
votes
0
answers
6
GATE2017 CE213
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
asked
Aug 7, 2019
in
Geomatics Engineering
by
gatecse
(
3.9k
points)
gate2017ce2
maps
geomaticsengineering
0
votes
0
answers
7
GATE2017 CE222
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 _______
asked
Aug 7, 2019
in
Geomatics Engineering
by
gatecse
(
3.9k
points)
gate2017ce2
numericalanswers
geomaticsengineering
verticalcurve
0
votes
0
answers
8
GATE2017 CE223
During a storm event in a certain period, the rainfall intensity is $3.5$ cm/hour and the $\Phi$index is $1.5$ cm/hour. The intensity of effective rainfall (in cm/hour, up to one decimal place) for this period is ________
asked
Aug 7, 2019
in
Geomatics Engineering
by
gatecse
(
3.9k
points)
gate2017ce2
numericalanswers
geomaticsengineering
0
votes
0
answers
9
GATE2017 CE225
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 _________
asked
Aug 7, 2019
in
Geomatics Engineering
by
gatecse
(
3.9k
points)
gate2017ce2
numericalanswers
geomaticsengineering
horizontalcurve
0
votes
0
answers
10
GATE2019 CE1: 10
The interior angles of four triangles are given below: ... avoided in Triangulation surveys? $\text{Both P and R}$ $\text{Both Q and R}$ $\text{Both P and S}$ $\text{Both Q and S}$
asked
Feb 14, 2019
in
Geomatics Engineering
by
Arjun
(
2.8k
points)
gate2019ce1
geomaticsengineering
triangulationsurvey
0
votes
0
answers
11
GATE2019 CE1: 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 $283.6 \: m$ $284.5 \: m$ $285.0 \: m$ $285.6 \: m$
asked
Feb 14, 2019
in
Geomatics Engineering
by
Arjun
(
2.8k
points)
gate2019ce1
geomaticsengineering
principlesofsurveying
0
votes
0
answers
12
GATE2019 CE1: 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 _________
asked
Feb 14, 2019
in
Geomatics Engineering
by
Arjun
(
2.8k
points)
gate2019ce1
numericalanswers
horizontalandverticalcurves
geomaticsengineering
0
votes
0
answers
13
GATE2019 CE2: 22
The data from a closed traverse survey PQRS (run in the clockwise direction) are given in the table $\begin{array}{cc} \hline \text{Line} & \text{Included angle (in degrees)} \\ \hline PQ & 88 \\ \hline QR & 92 \\ \hline RS & 94 \\ \hline SP & 89 \\ \hline \end{array}$ The closing error for the traverse PQRS (in degrees) is ______
asked
Feb 12, 2019
in
Geomatics Engineering
by
Arjun
(
2.8k
points)
gate2019ce2
numericalanswers
geomaticsengineering
traversesurvey
0
votes
0
answers
14
GATE2019 CE2: 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 $1:8000$? $2600 \: m$ $2800 \: m$ $3000 \: m$ $3200 \: m$
asked
Feb 12, 2019
in
Geomatics Engineering
by
Arjun
(
2.8k
points)
gate2019ce2
geomaticsengineering
0
votes
0
answers
15
GATE2016223
Optimal flight planning for a photogrammetric survey should be carried out considering only sidelap only endlap either sidelap or endlap both sidelap as well as endlap
asked
Mar 28, 2018
in
Geomatics Engineering
by
Milicevic3306
(
11.9k
points)
gate2016ce2
geomaticsengineering
photogrammetric
0
votes
0
answers
16
GATE2016123
The minimum number of satellites needed for a GPS to determine its position precisely is $2$ $3$ $4$ $24$
asked
Mar 28, 2018
in
Geomatics Engineering
by
Milicevic3306
(
11.9k
points)
gate2016ce1
geomaticsengineering
geographicalpositioning(gps)
0
votes
0
answers
17
GATE2016124
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
asked
Mar 28, 2018
in
Geomatics Engineering
by
Milicevic3306
(
11.9k
points)
gate2016ce1
geomaticsengineering
0
votes
0
answers
18
GATE2017 CE1: 16
A superelevation $e$ is provided on a circular horizontal curve such that a vehicle can be stopped on the curve without sliding. Assuming a design speed $v$ and maximum coefficient of side friction $f_{max}$, which one of the following criteria should be satisfied? $e \leq f_{max}$ $e > f_{max}$ no limit on $e$ can be set $e = \dfrac{1(f_{max})^2}{f_{max}}$
asked
Mar 26, 2018
in
Geomatics Engineering
by
Milicevic3306
(
11.9k
points)
gate2017ce1
horizontalcurve
geomaticsengineering
0
votes
0
answers
19
GATE2017 CE1: 19
The number of spectral bands in the Enhanced Thematic Mapper sensor on the remote sensing satellite Landsat$7$ is: $64$ $10$ $8$ $15$
asked
Mar 26, 2018
in
Geomatics Engineering
by
Milicevic3306
(
11.9k
points)
gate2017ce1
geomaticsengineering
photogrammetry
remotesensing
0
votes
0
answers
20
GATE2017 CE1: 35
The observed bearings of a traverse are given below: ... $R$ Only $S$ $R$ and $S$ $P$ and $Q$
asked
Mar 26, 2018
in
Geomatics Engineering
by
Milicevic3306
(
11.9k
points)
gate2017ce1
geomaticsengineering
traversing
0
votes
0
answers
21
GATE2015216
The relationship between the length scale ratio $(L_r)$ and the velocity scale ratio $(V_r)$ in the hydraulic models, in which Froude dynamic similarity is maintained is: $V_r=L_r \\$ $L_r=\sqrt{V_r} \\$ $V_r= L_r^{1.5} \\$ $V_r=\sqrt{L_r}$
asked
Mar 26, 2018
in
Geomatics Engineering
by
Milicevic3306
(
11.9k
points)
gate2015ce2
geomaticsengineering
scaleratio
0
votes
0
answers
22
GATE2015124
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 equipotential surface of gravity
asked
Mar 26, 2018
in
Geomatics Engineering
by
Milicevic3306
(
11.9k
points)
gate2015ce1
geomaticsengineering
0
votes
0
answers
23
GATE2015125
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: $1:5000$ $1:4000$ $1:3000$ $1:2000$
asked
Mar 26, 2018
in
Geomatics Engineering
by
Milicevic3306
(
11.9k
points)
gate2015ce1
geomaticsengineering
traversing
0
votes
0
answers
24
GATE2014224
A road is being designed for a speed of $110$ km/hr on a horizontal curve with a super elevation of $8 \%$. If the coefficient of side friction is $0.10$, the minimum radius of the curve (in m) required for safe vehicular movement is $115.0$ $152.3$ $264.3$ $528.5$
asked
Mar 26, 2018
in
Geomatics Engineering
by
Milicevic3306
(
11.9k
points)
gate2014ce2
geomaticsengineering
horizontalcurve
0
votes
0
answers
25
GATE2014225
The survey carried out to delineate natural features, such as hills, rivers, forests and manmade features, such as towns, village, buildings, roads, transmission line, and canals is classified as engineering survey geological survey land survey topographic survey
asked
Mar 26, 2018
in
Geomatics Engineering
by
Milicevic3306
(
11.9k
points)
gate2014ce2
principlesofsurveying
geomaticsengineering
0
votes
0
answers
26
GATE2014155
Group I lists tool/instrument while Group II lists the method of surveying. Match the tool/instrument with the corresponding method of surveying. ... $P2; Q4; R3; S1$ $P1; Q2; R4; S3$ $P3; Q1; R2; S4$
asked
Mar 26, 2018
in
Geomatics Engineering
by
Milicevic3306
(
11.9k
points)
gate2014ce1
geomaticsengineering
principlesofsurveying
0
votes
0
answers
27
GATE2014154
A levelling is carried out to establishing the Reduced Levels (RL) of point R with respect to the Bench Mark (BM) at P. The staff readings taken are given below: ... $RL$ of $P$ is $+100.000$ m, then $RL$ (in m) of $R$ is $103.355$ $103.155$ $101.455$ $100.355$
asked
Mar 26, 2018
in
Geomatics Engineering
by
Milicevic3306
(
11.9k
points)
gate2014ce1
levelling
geomaticsengineering
0
votes
0
answers
28
GATE2014128
A particle moves along a curve whose parametric equations are: $x=t^3+2t$, $y=3e^{2t}$ and $z=2 \sin (5t)$, where $x$, $y$ and $z$ show variations of the distance covered by the particle (in cm) with time $t$ (in s). The magnitude of the acceleration of the particle (in $cm/s^2$) at $t=0$ is ________
asked
Mar 26, 2018
in
Geomatics Engineering
by
Milicevic3306
(
11.9k
points)
gate2014ce1
numericalanswers
geomaticsengineering
curves
accelaration
0
votes
0
answers
29
GATE2014125
The Reduced Levels (RLs) of the points P and Q are $+49.600$ m and $+51.870$ respectively. Distance PQ is $20$ m. The distance (in m from P) at which the $+51.000$ m contour cuts the line PQ is $15.00$ $12.33$ $3.52$ $2.27$
asked
Mar 26, 2018
in
Geomatics Engineering
by
Milicevic3306
(
11.9k
points)
gate2014ce1
geomaticsengineering
levelling
0
votes
0
answers
30
GATE201354
At a station, Storm I of $5$ hour duration with intensity $2$ cm/h resulted in a runoff of $4$ cm and Storm II of $8$ hour duration resulted in a runoff of $8.4$ cm. Assume that the $\phi$ – index is the same for the both the storms. The $\phi$ – index (in cm/h) is $1.2$ $1.0$ $1.6$ $1.4$
asked
Mar 26, 2018
in
Geomatics Engineering
by
Milicevic3306
(
11.9k
points)
gate2013ce
geomaticsengineering
station
storms
0
votes
0
answers
31
GATE201355
At a station, Storm I of $5$ hour duration with intensity $2$ cm/h resulted in a runoff of $4$ cm and Storm II of $8$ hour duration resulted in a runoff of $8.4$ cm. Assume that the $\phi$ – index is the same for the both the storms. The intensity of storm II (in cm/h) is $2.00$ $1.75$ $1.50$ $2.25$
asked
Mar 26, 2018
in
Geomatics Engineering
by
Milicevic3306
(
11.9k
points)
gate2013ce
geomaticsengineering
station
storms
0
votes
0
answers
32
GATE201347
A theodolite is set up at station A and a $3$ m long staff is held vertically at station B. The depression angle reading at $2.5$ m marking on the staff is $6^{\circ}10’$. The horizontal distance between A and B is $2200$ m. Height of instrument at station A is $1.1$ m and R.L. of A is $880.88$ m. Apply the curvature and refraction correction, and determine the RL of B (in m) _______
asked
Mar 26, 2018
in
Geomatics Engineering
by
Milicevic3306
(
11.9k
points)
gate2013ce
numericalanswers
geomaticsengineering
horizontalandverticalcurves
0
votes
0
answers
33
GATE201346
Following bearings are observed while traversing with a compass ... the corrected fore bearing of line BC will be $48^{\circ} 15'$ $50^{\circ} 15'$ $49^{\circ} 45'$ $48^{\circ} 45'$
asked
Mar 26, 2018
in
Geomatics Engineering
by
Milicevic3306
(
11.9k
points)
gate2013ce
geomaticsengineering
traversing
0
votes
0
answers
34
GATE201247
The horizontal distance between two stations P and Q is $100 \: m$. The vertical angles from P and Q to the top of a vertical tower at $T$ are $3^{\circ}$ and $5^{\circ}$ above horizontal, respectively. The vertical angles from P and Q to the base of the ... $6.972$ $12.387$ $12.540$ $128.745$
asked
Mar 25, 2018
in
Geomatics Engineering
by
Milicevic3306
(
11.9k
points)
gate2012ce
geomaticsengineering
horizontalandverticalcurves
0
votes
0
answers
35
GATE201245
The following data are related to a horizontal curved portion of a twolane highway: length of curve $200$ m, radius of curve $=300$ m and with of pavement $=7.5$ m. In order to provide a stopping sight distance (SSD) of $80$ m, the set back distance (in m) required from the centre line of the inner lane of the pavement is $2.54$ $4.55$ $7.10$ $7.96$
asked
Mar 25, 2018
in
Geomatics Engineering
by
Milicevic3306
(
11.9k
points)
gate2012ce
geomaticsengineering
horizontalandverticalcurves
0
votes
2
answers
36
GATE2018 CE1: 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 $270^{\circ}$
answered
Feb 20, 2018
in
Geomatics Engineering
by
shk
(
140
points)
gate2018ce1
geomaticsengineering
traversing
0
votes
0
answers
37
GATE2018 CE2: 36
A level instrument at a height of $1.320$ m has been placed at a station having a Reduced Level (RL) of $112.565$ m. The instrument reads $2.835$ m on a levelling staff held at the bottom of a bridge deck. The RL (in m) of the bottom of the bridge deck is $116.720$ $116.080$ $114.080$ $111.050$
asked
Feb 17, 2018
in
Geomatics Engineering
by
gatecse
(
3.9k
points)
gate2018ce2
geomaticsengineering
totalstation
0
votes
0
answers
38
GATE2018 CE1: 36
A square area (on the surface of the earth) with side $100$ m and uniform height, appears as $1 \: cm^2$ on a vertical aerial photograph. The topographic map shows that a contour of $650$ m passes through the area. If focal length of the camera lens is $150$ mm, the height from which the aerial photograph was taken, is $800$ m $1500$ m $2150$ m $3150$ m
asked
Feb 17, 2018
in
Geomatics Engineering
by
gatecse
(
3.9k
points)
gate2018ce1
geomaticsengineering
photogrammetry
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