Surveying Questions

• The least count of a vernier scale is
• The Random errors tend to accumulate proportionally to
• A traverse deflection angle is
• In case of reduction of levels by the height of instrument method,
• The tangent to the liquid surface in a level tube, is parallel to the axis of the level tube at
• If Δ is the angle of deflection of the curve, T1 and T2 are its points of tangencies, the angle between the tangent at T1 and long chord T1 T2 will be
• The construction of optical square is based, on the principle of optical
• Pick up the correct statement from the following :
• If α is the angle between the polar ray and the tangent at the point of commencement of a lemniscate curve, the equation of the curve, is
• The formula for the horizontal distances for inclined sights, on staff held normalis s cos θ + (f + d) cos θ ± h sin θ
• Grid lines are parallel to
• Correct distance obtained by an erroneous chain is:
• The co-ordinate of a point measured perpendicular to the parallel, is called
• The method of finding out the difference in elevation between two points for eliminating the effect of curvature and refraction, is
• Accuracy of elevation of various points obtained from contour map is limited to
• Flint glass
• If h is the difference in height between end points of a chain of length l, the required slope correction is
• Angles to a given pivot station observed from a number of traverse stations when plotted, the lines to the pivot station intersect at a common point
• For preparation of a contour plan for a route survey
• Reduced bearing of a line is an angle between