Levelling MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Levelling, a fundamental topic in the field of Surveying. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Levelling MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Levelling mcq questions that explore various aspects of Levelling problems. Each MCQ is crafted to challenge your understanding of Levelling principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Surveying tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Levelling MCQs are your pathway to success in mastering this essential Surveying topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Levelling. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Levelling knowledge to the test? Let's get started with our carefully curated MCQs!

Levelling MCQs | Page 5 of 12

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Q41.
If the observed back sight and fore sight are x1 and x2. The correction back sight on A will be equal to x1-y1, where y1= D1 tan i°. The correct fore sight on B will be equal to x2-y2 where, y2 = D2 tan i°. Then what is the correction difference in level between A and B, if D1 = D2?

a.

x1 – x2

b.

x2 + x1

c.

x1 – x2 + (D2 tan i° – D1 tan i°)

d.

x2 – x1 + (D1tan i° + D2 tan i°)

Discuss
Answer: (a).x1 – x2
Q42.
If the observed back sight and fore sight are 20 m and 18 m. The correction back sight on A will be equal to 16 m, The correct fore sight on B will be equal to 14 m where then what is the correction difference in level between A and B?

a.

4 m

b.

3 m

c.

2 m

d.

6 m

Discuss
Answer: (c).2 m
Q43.
If the staff reading at point A = ha and at a point B = hb. The correct staff reading should have been Ha and Hb, then the correction difference in elevation between A and B is given by _____

a.

ha – hb

b.

ha + hb

c.

Ha – Hb

d.

Ha + Hb

Discuss
Answer: (c).Ha – Hb
Q44.
If the staff reading at point A = ha and at a point B = hb. The correct staff reading should have been Ha and Hb, where Ha = ha – ha’ and Hb = hb – hb’ then the correction difference in elevation between A and B is given by ____________

a.

ha – hb – ha’ + hb’

b.

ha + hb + ha’ + hb’

c.

Ha – Hb + ha’ – hb’

d.

Ha + Hb

Discuss
Answer: (a).ha – hb – ha’ + hb’
Q45.
If the back sight and fore sight distances are balanced, the elevation between two points is equal to the difference between the rod readings taken to the two points and correction for curvature and refraction is necessary.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q46.
Turning point is also called _____

a.

intermediate point

b.

level point

c.

change point

d.

end point

Discuss
Answer: (c).change point
Q47.
Horizontal line departs from a level surface because of _____________

a.

Refraction

b.

Radius of earth

c.

Curvature of earth

d.

Parallelism

Discuss
Answer: (c).Curvature of earth
Q48.
In the long sights, the horizontal line of sight doesn’t remain straight but it slightly bends downwards having concavity towards earth due to ____________

a.

Refraction

b.

Radius of earth

c.

Curvature of earth

d.

Parallelism

Discuss
Answer: (a).Refraction
Q49.
Find the correction for curvature for a distance 1200 m?

a.

0.113 m

b.

0.131 m

c.

0.133 m

d.

0. 313 m

Discuss
Answer: (a).0.113 m
Q50.
Find correction for refraction for a distance of 1200 m?

a.

0.0106 m

b.

0.0160 m

c.

0.0016 m

d.

0.0116 m

Discuss
Answer: (b).0.0160 m
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