1
GATE CE 2024 Set 2
MCQ (Single Correct Answer)
+1
-0.33

For a reconnaissance survey, it is necessary to obtain vertical aerial photographs of a terrain at an average scale of 1: 13000 using a camera. If the permissible flying height is assumed as 3000 m above a datum and the average terrain elevation is 1050 m above the datum, the required focal length (in mm) of the camera is

A

100

B

150

C

125

D

200

2
GATE CE 2022 Set 1
MCQ (Single Correct Answer)
+1
-0.33

A line between stations P and Q laid on a slope of 1 in 5 was measured as 350 m using a 50 m tape. The tape is known to be short by 0.1 m.

The corrected horizontal length (in m) of the line PQ will be

A
342.52
B
349.30
C
356.20
D
350.70
3
GATE CE 2014 Set 2
MCQ (Single Correct Answer)
+1
-0.3
The survey carried out to delineate natural features, such as hills, rivers, forests and manmade features, such as towns, villages, buildings, roads, transmission lines and canals is classified as
A
engineering survey
B
geological survey
C
land survey
D
topographic survey
4
GATE CE 2008
MCQ (Single Correct Answer)
+1
-0.3
The type of surveying in which the curvature of the earth is taken into account is called
A
Geodetic surveying
B
Plane surveying
C
Preliminary surveying
D
Topographical surveying
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