Recent activity in Geomatics Engineering / GO Civil

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1

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 __________

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 $0.3...

Chandanachandu

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Chandanachandu recategorized May 29, 2021

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2

GATE Civil 2012 | Question: 25
Which of the following errors can be eliminated by reciprocal measurements in differential leveling? Error due to earth’s curvature Error due to atmospheric refraction Both I and II I only II only Neither I nor II

Which of the following errors can be eliminated by reciprocal measurements in differential leveling?Error due to earth’s curvatureError due to atmospheric refractionBot...

Chandanachandu

100 points

Chandanachandu recategorized May 29, 2021

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3

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 ________.

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 sta...

Chandanachandu

100 points

Chandanachandu recategorized May 28, 2021

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4

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: $0.0673$ $0.673$ $7.63$ $0.763$

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$

Chandanachandu

100 points

Chandanachandu recategorized May 28, 2021

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5

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: $450.000$ $570.710$ $550.000$ $650.000$

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 $...

Chandanachandu

100 points

Chandanachandu recategorized May 28, 2021

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6

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 _______.

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 $1.5...

Chandanachandu

100 points

Chandanachandu recategorized May 28, 2021

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7

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

Which of the following statements is FALSE?Plumb line is along the direction of gravityMean Sea Level (MSL) is used as a reference surface for establishing the horizontal...

Chandanachandu

100 points

Chandanachandu edited May 28, 2021

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8

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: $1/ \big( \dfrac{1}{W_X} + \dfrac{1}{W_Y} + \dfrac{1}{W_Z} \big) \\$ $\big( \dfrac{1}{W_X} + \dfrac{1}{W_Y} + \dfrac{1}{W_Z} \big) \\$ $W_X +W_Y+W_Z \\$ $W_X^2 +W_Y^2+W_Z^2$

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...

Chandanachandu

100 points

Chandanachandu recategorized May 27, 2021

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9

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 $AB?$ $N81^{\circ}50'E$ $N82^{\circ}10'E$ $N84^{\circ}10'E$ $N77^{\circ}50'E$

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...

Chandanachandu

100 points

Chandanachandu recategorized May 27, 2021

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10

GATE2016-2-24
The reduced bearing of a $10 \: m$ long line is $N 30^{\circ}E$. The departure of the line is $10.00 \: m$ $8.66 \: m$ $7.52 \: m$ $5.00 \: m$

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$

Chandanachandu

100 points

Chandanachandu recategorized May 27, 2021

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11

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 _________

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 $112.50$...

Chandanachandu

100 points

Chandanachandu recategorized May 27, 2021

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12

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

The system that uses the Sun as a source of electromagnetic energy and records the naturally radiated and reflected energy from the object is calledGeographical Informati...

Chandanachandu

100 points

Chandanachandu edited May 27, 2021

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13

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 $44.105$ $43.460$ $42.815$ $41.145$

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 fl...

Chandanachandu

100 points

Chandanachandu recategorized May 27, 2021

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14

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 _____

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 a...

Chandanachandu

100 points

Chandanachandu recategorized May 27, 2021

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15

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 __________

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 e...

Chandanachandu

100 points

Chandanachandu recategorized May 25, 2021

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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 ________

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 t...

Chandanachandu

100 points

Chandanachandu recategorized May 25, 2021

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17

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

The method of orientation used, when the plane table occupies a position not yet located on the map, is called astraversingradiationlevellingresection

Chandanachandu

100 points

Chandanachandu edited May 25, 2021

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18

GATE2018 CE-2: 55
An aerial photographer of a terrain having an average elevation of $1400$ m is taken at a scale of $1:7500$. The focal length of the camera is $15$ cm. The altitude of the flight above mean sea level (in m, up to one decimal place) is ______

An aerial photographer of a terrain having an average elevation of $1400$ m is taken at a scale of $1:7500$. The focal length of the camera is $15$ cm. The altitude of th...

Chandanachandu

100 points

Chandanachandu recategorized May 22, 2021

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19

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 $1:8000$? $2600 \: m$ $2800 \: m$ $3000 \: m$ $3200 \: m$

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 \...

Chandanachandu

100 points

Chandanachandu retagged May 18, 2021

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20

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 $283.6 \: m$ $284.5 \: m$ $285.0 \: m$ $285.6 \: m$

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 ...

Chandanachandu

100 points

Chandanachandu edited May 17, 2021

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21

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 $413.050$ $413.955$ $431.050$ $435.955$

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 di...

Chandanachandu

100 points

Chandanachandu edited May 10, 2021

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22

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 ________.

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 $...

Chandanachandu

100 points

Chandanachandu retagged May 10, 2021

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23

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 _______.

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...

Chandanachandu

100 points

Chandanachandu retagged May 8, 2021

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24

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 __________

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&...

Chandanachandu

100 points

Chandanachandu retagged May 8, 2021

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25

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 $53.13^{\circ}$ $\text{SE}$

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 $\te...

Chandanachandu

100 points

Chandanachandu recategorized Apr 25, 2021

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26

GATE Civil 2021 Set 2 | Question: 25
A horizontal angle $\theta$ ... $\theta$ ( in degree, $\textit{round off to two decimal places}$is _________________

A horizontal angle $\theta$ is measured by four different surveyors multiple times and the values reported are given below.$$\begin{array}{|lc|cI|cI|cI|cI|cI|}\hline&\tex...

Chandanachandu

100 points

Chandanachandu recategorized Apr 25, 2021

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27

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

In general, the $\text{CORRECT}$ sequence of surveying operations isField observations $\rightarrow$ Reconnaissance $\rightarrow$ Data analysis $\rightarrow$ Map makin...

Chandanachandu

100 points

Chandanachandu recategorized Apr 25, 2021

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28

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 ___________________

Traversing is carried out for a closed traverse $\text{PQRS}$. The internal angles at vertices $\text{P, Q, R and S}$ are measured as $92^{\circ},68^{\circ},123^{\circ}$ ...

Chandanachandu

100 points

Chandanachandu recategorized Apr 23, 2021

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29

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

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...

Chandanachandu

100 points

Chandanachandu recategorized Apr 21, 2021

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30

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'

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 p...

Chandanachandu

100 points

Chandanachandu recategorized Apr 21, 2021

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31

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 _________

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 t...

soujanyareddy13

100 points

soujanyareddy13 recategorized Nov 18, 2020

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32

GATE2014-2-25
The survey carried out to delineate natural features, such as hills, rivers, forests and man-made features, such as towns, village, buildings, roads, transmission line, and canals is classified as engineering survey geological survey land survey topographic survey

The survey carried out to delineate natural features, such as hills, rivers, forests and man-made features, such as towns, village, buildings, roads, transmission line, a...

soujanyareddy13

100 points

soujanyareddy13 recategorized Nov 18, 2020

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33

GATE2014-1-54
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 $103.355$ $103.155$ $101.455$ $100.355$

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:$\begin{a...

soujanyareddy13

100 points

soujanyareddy13 recategorized Nov 18, 2020

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34

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 $194.7,370.1$ $205.3,429.9$ $394.7,170.1$ $405.3,229.9$

An open traverse PQRST is surveyed using theodolite and the consecutive coordinates obtained are given in the tableIf the independent coordinates (Northing, Easting) of s...

soujanyareddy13

100 points

soujanyareddy13 recategorized Nov 18, 2020

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35

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 ______

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 d...

soujanyareddy13

100 points

soujanyareddy13 recategorized Nov 18, 2020

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36

GATE2019 CE-1: 10
The interior angles of four triangles are given below: ... avoided in Triangulation surveys? $\text{Both P and R}$ $\text{Both Q and R}$ $\text{Both P and S}$ $\text{Both Q and S}$

The interior angles of four triangles are given below:$$\begin{array}{|l|l|}\hline \textbf{Triangle} & \textbf{Interior Angles} \\\hline \text{P} & 85^{\circ},50^{\circ...

soujanyareddy13

100 points

soujanyareddy13 recategorized Nov 18, 2020

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37

GATE2018 CE-2: 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 $116.720$ $116.080$ $114.080$ $111.050$

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 ...

soujanyareddy13

100 points

soujanyareddy13 recategorized Nov 18, 2020

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38

GATE2018 CE-1: 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

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...

soujanyareddy13

100 points

soujanyareddy13 recategorized Nov 18, 2020

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2 answers

39

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 $270^{\circ}$

The following details refer to a closed traverse:LineConsecutive coordinateNorthing (m)Southing (m)Easting (m)Westing (m)PQ -$437$$173$ -QR$101$ $558$ RS$419$ $96$SP ...

soujanyareddy13

100 points

soujanyareddy13 recategorized Nov 18, 2020

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40

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 _______

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 len...

soujanyareddy13

100 points

soujanyareddy13 recategorized Nov 18, 2020

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41

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 _________

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 p...

soujanyareddy13

100 points

soujanyareddy13 recategorized Nov 18, 2020

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42

GATE2017 CE-1: 19
The number of spectral bands in the Enhanced Thematic Mapper sensor on the remote sensing satellite Landsat-$7$ is: $64$ $10$ $8$ $15$

The number of spectral bands in the Enhanced Thematic Mapper sensor on the remote sensing satellite Landsat-$7$ is:$64$$10$$8$$15$

soujanyareddy13

100 points

soujanyareddy13 recategorized Nov 18, 2020

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43

GATE2017 CE-1: 35
The observed bearings of a traverse are given below: ... $R$ Only $S$ $R$ and $S$ $P$ and $Q$

The observed bearings of a traverse are given below:$\begin{array}{|c|c|c|c|c|} \hline \text{Line} & \text{Bearing} & {} & \text{Line} & \text{Bearing} \\ \hline PQ & 46^...

soujanyareddy13

100 points

soujanyareddy13 recategorized Nov 18, 2020

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44

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

Optimal flight planning for a photogrammetric survey should be carried out consideringonly side-laponly end-lapeither side-lap or end-lapboth side-lap as well as end-lap

soujanyareddy13

100 points

soujanyareddy13 recategorized Nov 18, 2020

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45

GATE2016-1-23
The minimum number of satellites needed for a GPS to determine its position precisely is $2$ $3$ $4$ $24$

The minimum number of satellites needed for a GPS to determine its position precisely is$2$$3$$4$$24$

soujanyareddy13

100 points

soujanyareddy13 recategorized Nov 18, 2020

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46

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: $1:5000$ $1:4000$ $1:3000$ $1:2000$

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 trave...

soujanyareddy13

100 points

soujanyareddy13 recategorized Nov 18, 2020

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47

GATE2014-1-55
Group I lists tool/instrument while Group II lists the method of surveying. Match the tool/instrument with the corresponding method of surveying. ... $P-2; Q-4; R-3; S-1$ $P-1; Q-2; R-4; S-3$ $P-3; Q-1; R-2; S-4$

Group I lists tool/instrument while Group II lists the method of surveying. Match the tool/instrument with the corresponding method of surveying.$\begin{array}{ll} \text...

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100 points

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48

GATE2014-1-25
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 $15.00$ $12.33$ $3.52$ $2.27$

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 con...

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49

GATE Civil 2013 | Question: 47
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 ... m and R.L. of A is $880.88$ m. Apply the curvature and refraction correction, and determine the RL of B (in m) _______

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�...

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50

GATE Civil 2013 | Question: 46
Following bearings are observed while traversing with a compass ... fore bearing of line BC will be $48^{\circ} 15'$ $50^{\circ} 15'$ $49^{\circ} 45'$ $48^{\circ} 45'$

Following bearings are observed while traversing with a compass$\begin{array}{rrr} \text{Line} & \text{Fore Bearing} & \text{back Bearing} \\ AB & 126^{\circ} 45’ & 308...

soujanyareddy13

100 points

soujanyareddy13 recategorized Nov 18, 2020