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Surveyor Set-1
Levelling Survey
37

Levelling Survey MCQ with Answers

37) What is the curvature of earth correction?

0.1785D²

0.0857D²

0.0785D²

0.0787D²

Answer is:

0.0785D²

Levelling Survey MCQ with Answers

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Related Levelling Survey MCQ with Answers

38) Which level is that the line of sight remains horizontal once the operator has roughly levelled the instruments?

Dumpy level

Modern level

Wye level

Auto level

Answer is:

Auto level

39) How many level screws are used to level the instruments?

Two level screws

Three level screws

Four level screws

Six level screws

Answer is:

Three level screws

40) How to eliminate parallel between the staff and reticle in auto level?

Turn the focusing knob

Adjust the levelling screw

Adjusting screw cover

Setting of the tripod

Answer is:

Turn the focusing knob

41) What is the gap of stems of ?E? or 3 between them of earth?

3mm high

5mm high

10mm high

15mm high

Answer is:

10mm high

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