Maps - Surveying and Mapping - Geomatics Engineering Previous Year Questions

1

2024 · Geomatics Engineering · Surveying and Mapping · Maps

Geomatics Engineering (GE) 2024

Which of the following statements about the Triangulated Irregular Network (TIN) model is/are INCORRECT?

A

TIN contains irregularly spaced sampled points.

B

Triangulation is performed to form network of triangles.

C

In the TIN model, the edges represent features such as peaks and depression.

D

In the TIN model, the vertices represent features such as peaks and depression.

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2

2024 · Geomatics Engineering · Surveying and Mapping · Maps

Geomatics Engineering (GE) 2024

If the plotting accuracy of a map is 0.25 mm and the scale of the same map is 1:100000, what will be the minimum ground distance that can be plotted on the map?

A

2.5 m

B

25 m

C

250 m

D

2500 m

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3

2024 · Geomatics Engineering · Surveying and Mapping · Maps

Geomatics Engineering (GE) 2024

The Survey of India toposheet number 43 \frac{D}{6} covers ground area of

A

1° by 1°

B

25' by 25'

C

15' by 15'

D

7.5' by 7.5'

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4

2024 · Geomatics Engineering · Surveying and Mapping · Maps

Geomatics Engineering (GE) 2024

Universal Transverse Mercator (UTM) is a

A

conical projection

B

azimuthal projection

C

polyconic projection

D

cylindrical projection

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5

2024 · Geomatics Engineering · Surveying and Mapping · Maps

Geomatics Engineering (GE) 2024

Map (A) represents all the roads, street lights, trees and buildings of a campus of 5 km². Another map (B) represents the forest and agricultural area of a district of 10000 km². Considering the physical size of both the maps (A) & (B) same, which of the following statements is/are CORRECT?

A

Map (A) is at relatively large scale

B

Map (B) is at relatively large scale

C

Both maps are at same scale

D

Both maps are not at same scale

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6

2024 · Geomatics Engineering · Surveying and Mapping · Maps

Geomatics Engineering (GE) 2024

The Representative Fraction (RF) of the graphical scale given below is 1/X, where X is ______ (in integer).

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7

2025 · Geomatics Engineering · Surveying and Mapping · Maps

Geomatics Engineering (GE) 2025

Two positions on the Earth’s surface are given in the form of Cartesian coordinates in the WGS84 reference frame and ellipsoid. The norm of difference of these two position vectors is the __________.

A

spherical distance

B

ellipsoidal distance

C

Euclidean distance

D

planar distance

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8

2025 · Geomatics Engineering · Surveying and Mapping · Maps

Geomatics Engineering (GE) 2025

Which one of the following map projections is NOT conformal?

A

Transverse Mercator

B

Stereographic

C

Lambert Conformal Conic

D

Sinusoidal

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9

2025 · Geomatics Engineering · Surveying and Mapping · Maps

Geomatics Engineering (GE) 2025

In a Survey of India topographic map of scale 1:50,000, the contours are drawn conventionally at intervals of ______ m.

A

10 and 20

B

20 and 40

C

30 and 50

D

25 and 50

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10

2025 · Geomatics Engineering · Surveying and Mapping · Maps

Geomatics Engineering (GE) 2025

In a map based on the UTM projection, the grid distance is in error with respect to the geodetic distance by about one in four thousand. If the map distance is 3 cm and the map scale is 1:25,000, then the geodetic distance is______ m (rounded off to 2 decimal places).

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11

2022 · Geomatics Engineering · Surveying and Mapping · Maps

Geomatics Engineering (GE) 2022

How many number of cells of a 30 m spatial resolution DEM would be required to cover a 1:50,000 topographic map of Survey of India, assuming that 1 minute = 1.85 km?

A

855,625

B

855,525

C

855,425

D

855,325

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12

2022 · Geomatics Engineering · Surveying and Mapping · Maps

Geomatics Engineering (GE) 2022

Centroid of a polygon is

A

geometric center of the polygon.

B

arithmetic mean position of all its vertices in two coordinate directions.

C

the point at which a cutout of the polygon could be perfectly balanced on the tip of a pin.

D

center of polyline.

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13

2022 · Geomatics Engineering · Surveying and Mapping · Maps

Geomatics Engineering (GE) 2022

Number of cells required to cover an area of 9 sq. km of ASTER-GDEM are ______ (in integer).

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14

2022 · Geomatics Engineering · Surveying and Mapping · Maps

Geomatics Engineering (GE) 2022

If a 1:50,000 scale map is digitized to an accuracy of ± 0.5 mm, the level of error that might be expected in ground is ± ______ m (in integer).

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15

2022 · Geomatics Engineering · Surveying and Mapping · Maps

Geomatics Engineering (GE) 2022

A topographic map prepared by Survey of India covers 1 degree by 1 degree area on a single map. The minimum ground distance which can be represented on this map is ______ m (round off to 2 decimal places).

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16

2022 · Geomatics Engineering · Surveying and Mapping · Maps

Geomatics Engineering (GE) 2022

Choose the CORRECT statements(s).

A

The spheroid is a mathematical surface of the Earth.

B

Geoid is an equipotential reference surface of the Earth.

C

True shape of the Earth is perfect spheroid.

D

The WGS-84 datum varies from country to country.

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17

2022 · Geomatics Engineering · Surveying and Mapping · Maps

Geomatics Engineering (GE) 2022

Choose the CORRECT statement(s).

A

Latitude of a place varies from 0 degree to 90 degree North or South, and Longitude varies from 0 degree to 180 degree East or West of Greenwich Meridian.

B

Latitude of a place varies from 0 degree to 180 degree East or West of Greenwich Meridian, and Longitude varies from 0 degree to 90 degree North or South.

C

Longitude of a point is the angle between the Greenwich Meridian and the meridian passing through that point.

D

Latitude and Longitude of a place are subject to change with time.

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18

2022 · Geomatics Engineering · Surveying and Mapping · Maps

Geomatics Engineering (GE) 2022

A map projection is

A

a systematic representation of latitude and longitude lines on a plane (paper) map.

B

a representation of 3D shape of Earth on 2D plane.

C

dependent on the location of area on the Earth.

D

required for taking theodolite observations of horizontal angles.

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19

2022 · Geomatics Engineering · Surveying and Mapping · Maps

Geomatics Engineering (GE) 2022

Survey of India topographic sheet is 53G/12. At this scale, the numbers of toposheets that would cover a land area equivalent to 4 degree by 4 degree is ______ (in integer).

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20

2023 · Geomatics Engineering · Surveying and Mapping · Maps

Geomatics Engineering (GE) 2023

What are the Manhattan and Pythagorean distances (in m), respectively between points A and B in the figure below, where the Euclidean distance between A and C is 4 m, and the Euclidean distance between C and B is 4 m? All the cells have the same edge lengths.

A

9.0 and 5.7

B

5.7 and 8.0

C

5.7 and 5.7

D

8.0 and 5.7

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