Civil Engineering Questions And Answers :: Surveying: part3



Civil Engineering : Surveying QUESTIONS AND ANSWERS :: part3 : 6 to 10

Following Civil Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

6.Select the correct statement.

A contour is not necessarily a closed curve.
A contour represents a ridge line if the concave side of lower value con�tour lies towards the higher value contour.
Two contours of different elevations do not cross each other except in case of an overhanging cliff.
All of the above statements are correct.

7.Which of the following statements is in-correct ?

Error due to refraction may not be completely eliminated by reciprocal levelling.
Tilting levels are commonly used for precision work.
The last reading of levelling is always a foresight.
All of the above statements are incorrect.

8.Sensitiveness of a level tube is designated by

radius of level tube
length of level tube
length of bubble of level tube
none of the above

9.As applied to staff readings, the corrections for curvature and refraction are respectively The above table shows a part of a level field book. The value of X should be

98.70
100.00
102.30
103.30

10.The difference of levels between two stations A and B is to be determined. For best results, the instrument station should be

equidistant from A and B
closer to the higher station
closer to the lower station
as far as possible from the line AB

More Surveying QUESTIONS AND ANSWERS available in next pages

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