GATE-GE SERIES Geomatics-engineering
Maps
10 previous year questions.
Volume: 10 Ques
Yield: Medium
High-Yield Trend
4
2025 6
2024 Chapter Questions 10 MCQs
01
PYQ 2024
medium
geomatics-engineering ID: gate-ge-
In an image with 6-bit quantization level, the pixel values of a scene are between 25 and 55. A linear contrast stretch is applied to the image covering the full dynamic range. A pixel value 40 in the original image will be mapped to ________ (rounded off to nearest integer) in the stretched image.
02
PYQ 2024
medium
geomatics-engineering ID: gate-ge-
In spatial interpolation using coordinate transformations for image-to-map rectification, the minimum number of ground control points (GCPs) required to perform a third-order transformation is _________ (in integer).
03
PYQ 2024
medium
geomatics-engineering ID: gate-ge-
Map (A) represents all the roads, street lights, trees and buildings of a campus of . 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?
1
Map (A) is at relatively large scale
2
Map (B) is at relatively large scale
3
Both maps are at same scale
4
Both maps are not at same scale
04
PYQ 2024
easy
geomatics-engineering ID: gate-ge-
The magnetic bearing of a line in the year 1990 was found to be N 40°30' W and magnetic declination was 3°30′ E. If the present magnetic declination is 2°10′ W, the magnetic bearing now (in reduced bearing system) would be
1
S 30°50' W
2
N 30°50' W
3
S 34°50' W
4
N 34°50' W
05
PYQ 2024
hard
geomatics-engineering ID: gate-ge-
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?
1
2.5 m
2
25 m
3
250 m
4
2500 m
06
PYQ 2024
medium
geomatics-engineering ID: gate-ge-
Which of the following statements is/are CORRECT in the context of GPS data collection methods?
1
CORS (Continuously Operating Reference Station) can be used as a reference (base) GPS receiver
2
Reference (base) receiver should record the observations for longer period as compared to remote (rover) GPS receiver for applying corrections
3
Remote (rover) GPS receiver must always be placed on a known location for applying the corrections of reference (base) GPS receiver
4
Reference (base) and remote (rover) GPS receivers must be placed on top of each other for applying corrections base) ivers?
07
PYQ 2025
medium
geomatics-engineering ID: gate-ge-
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 ___________
08
PYQ 2025
medium
geomatics-engineering ID: gate-ge-
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).
09
PYQ 2025
medium
geomatics-engineering ID: gate-ge-
In a Survey of India topographic map of scale 1:50,000, the contours are drawn conventionally at intervals of __________ m.
1
10 and 20
2
20 and 40
3
30 and 50
4
25 and 50
10
PYQ 2025
medium
geomatics-engineering ID: gate-ge-
Which one of the following map projections is NOT conformal?
1
Transverse Mercator
2
Stereographic
3
Lambert Conformal Conic
4
Sinusoidal