by DeepWebLabs
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

About Maps - GATE-GE

Maps is a vital chapter for GATE-GE aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.

By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.

Frequently Asked Questions

Why focus on Maps PYQs?

Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.

How to best use this analysis?

Review the topic breakdown to see which sub-topics within Maps carry the most weight. Then, tackle the questions iteratively to solidify your understanding.