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Civil Engineering (CE) Exam  >  Civil Engineering (CE) Test  >  GATE 2027 Mock Test Series  >  Test: Levelling - 1 - Civil Engineering (CE) MCQ

GATE Civil Engineering (CE) 2027 Test: Levelling - 1 Free Online Test 2026


MCQ Practice Test & Solutions: Test: Levelling - 1 (10 Questions)

You can prepare effectively for Civil Engineering (CE) GATE Civil Engineering (CE) 2027 Mock Test Series with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Levelling - 1". These 10 questions have been designed by the experts with the latest curriculum of Civil Engineering (CE) 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 30 minutes
  • - Number of Questions: 10

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Test: Levelling - 1 - Question 1
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A ‘level line’ is a

Detailed Solution: Question 1

A level line is the distance between 2 points on the level surface, which follows the curvature of the earth. Whereas the line of sight is the straight line perpendicular to the plumb line at the telescope.

Test: Levelling - 1 - Question 2
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The difference between a level line and a horizontal line is that

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Test: Levelling - 1 - Question 3
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With the rise of temperature, the sensitivity of a bubble tube

Detailed Solution: Question 3

With a rise in temperature the liquid expands. Hence the bubble shortens and consequently its sensitivity decreases.

Test: Levelling - 1 - Question 4
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As applied to staff readings, the corrections for curvature and refraction are respectively

Detailed Solution: Question 4

The curvature increases the staff reading, hence its correction is negative. The rays of light when passing through the atmosphere bend down and follows a curved path, hence correction is positive.

Correction due to curvature = -0.0785D2

Correction due to refraction = 0.0112D2

Combined correction = -0.0673D2

Test: Levelling - 1 - Question 5
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Which of the following arithmetic checks can be applied in rise and fall method?

Test: Levelling - 1 - Question 6
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The correction for refraction as applied to staff reading is 
where R is radius of earth

Detailed Solution: Question 6

Correction due to refraction is approximately about 1/7th of correction due to earth curvature.
CR = 1/7 Cc
= 1/7[d2/2R]

Test: Levelling - 1 - Question 7
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While doing levelling in undulating terrain, it is preferable to set the level on

Test: Levelling - 1 - Question 8
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Which of the following statements is incorrect?

Detailed Solution: Question 8

Test: Levelling - 1 - Question 9
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Benchmark is established by

Test: Levelling - 1 - Question 10
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The curvature of the earth’s surface, is taken into account only if the extent of survey is more than

Detailed Solution: Question 10

Geodetic Survey is the survey in which earth’s curvature is taken into account for calculation. It is generally done when area to be covered is more than 260 km2

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About this Civil Engineering (CE) Practice Test

This test contains 10 MCQs on Levelling - 1 with detailed solutions for each question. It is part of the GATE Civil Engineering (CE) 2027 Mock Test Series course on EduRev, designed to align with the current Civil Engineering (CE) syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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