Surveying - Study Mode

[#141] The graduations in prismatic compass i) are inverted ii) are upright iii) run clockwise having 0° at south iv) run clockwise having 0° at north The correct answer is
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(A) (i) and (iii)

[#142] The correction for sag is
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(B) always subtractive

[#143] The point on the photograph where bisector between the vertical line through optical centre of the camera lens and the plate perpendicular meets, is known as
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(B) Isocenter

[#144] The two point problem and three point problem are methods of
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(D) resection and orientation

[#145] Which of the following angles can be set out with the help of French cross staff?
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(C) Either 45° or 90°