SSC JE 2023-Surveying: Expected Questions

Surveying is one of the most essential topics to master for SSC JE 2023 aspirants. It can make or break your exam performance. How well do you know it? Find out by solving these challenging questions given below on the topic. Then, boost your confidence and speed by taking a mock test with similar questions. Learn from your mistakes and improve your strategy with mock test analysis.

Take a Free SSC JE 2023 Mock Test to check your knowledge of Surveying and other similar topics.

SSC JE 2023-Surveying: Expected Questions

Here are some questions that will help you master Surveying:

SAMPLE QUESTIONS:

1.           A plan drawn to a scale of 1:4000 was measured by a scale of 1:5000. The % error in the length measured will be:

(a) 10

(c) 25

(b) 1000

(d) 1.25

Ans. (c)

Real scale of plan = 1:4000

Measured by a scale = 1:5000

2.           A vernier is made using a main scale of one meter to read mm. If the vernier scale is divided into cm divisions, the vernier will have.

(a) 10 divisions for 9 main scale divisions

(b) 11 divisions for 10 main scale divisions

(c) 20 divisions for 19 main scale divisions

(d) 21 divisions for 20 main scale divisions

               Ans: (a)

               Direct vernier:

               • When (n-1) division of main scale is equal to (n) division of vernier scale in this scale both move in same direction is called direct vernier.

               nv = (n – 1)s

               retrograde vernier:

               •  When (n + 1) division of main scale is equal to (n) division of vernier scale. In this scale both move opposite to each other is called retrograde vernier or indirect vernier.

               nv = (n + 1) s

               n = Number of divisions on vernier scale.

v = Value of one smallest division in vernier scale
 s = Value of one smallest division of main scale.

3.               Theory of errors and adjustments deals with minimizing the effects of:

                   (a) instrumental errors

                   (b) mistakes

                   (c) systematic errors

                   (d) personal and accidental errors

                   Ans. (d):
It is based on principle of least square, theory of errors and adjustments deals with minimizing the effect of personal and accidental errors.

4.               The curvature of the Earth’s surface, is taken into account only if the extent of survey is more than-

                   (a) 100 sq km

                   (b) 160 sq km

                   (c) 200 sq km

                   (d) 260 sq km

                   Ans. (d)
Geodetic survey:
In this survey the curvature of surface is taken into the account. If the extent of survey is more than 250 sq km. then this type of survey is used.

5.           A forest land is to be surveyed without accumulating errors; the approach to be taken should be:

               (a) Establish minor control points with low precision first

(b) Locate the details first and then the major control points

(c) Fix the major control points with great precision and do detailing

(d) Locate the animals and mark these as control points

(e) Fix the minor control points and then start detailing

               Ans. (c)
A forest land is to be surveyed without accumulating errors, the approach to be taken should be fix the major control points with great precision and detailing.

Needs for forest survey:

(i) Demarcation and /or checking forest boundaries.

(ii) Laying out felling coupes

(iii) Preparing plantation maps and stock maps

(iv) Detection and rectification of encroachments.

(v) Preparation of plans of area to be cleared.

(vi) Alignment of extraction roads and paths.

(vii) mapping out fire burnt areas etc.

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Takeaway

After working on the questions given above, it is recommended you should take as many mock tests as you can to get confident in maximizing your score in Surveying and related topics. Take a Free Mock Test now! Don’t miss this opportunity to master Surveying and related topics and succeed in the upcoming SSC JE 2023 exam.

Asad Yar Khan

I write and oversee the creation of informative educational blogs centering around study strategies, exam techniques, and more, to guide aspirants in clearing SSC, banking, engineering, and other competitive exams. I ensure a range of subjects are covered with precision and clarity. With over 7 years of diverse writing experience, I share a wealth of wisdom and expertise with thousands of students, through PracticeMock every day, helping them achieve their goals.

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