Surveying Questions

• Magnetic bearing of a survey line at any place
• The horizontal angle between true meridian and magnetic meridian, is known
• ABCD is a rectangular plot of land. If the bearing of the side AB is 75°, the bearing of DC is
• A lemniscate curve will not be transitional throughout, if its deflection angle, is
• In an adjusted level, when the bubble is central, the axis of the bubble tube becomes parallel to
• If d is the distance between equidistant odd ordinates, the Simpson's rule for the areas, is
• The magnetic meridian at any point, is the direction indicated by a freely suspended
• With usual notations, the expression represents
• α, β are the horizontal angles measured at the ends of a base line AB to a hill top whose angle of elevation from station A is θ°. The height of the hill top above the trunnion axis of the theodolite station, is
• If V is the speed of a locomotive in km per hour, g is the acceleration due to gravity, G is the distance between running faces of the rails and R is the radius of the circular curve, the required super elevation is
• The power of a lens
• An angle of deflection right, may be directly obtained by setting the instrument to read
• The reduced bearing of a line is N 87° W. Its whole circle bearing is
• Accurate measurement of deflection angles with a transit not properly adjusted may be made by
• If whole circle bearing of a line is 120°, its reduced bearing is
• Transition curves are introduced at either end of a circular curve, to obtain
• The distance between the point of intersection of an up grade + g1% and downgrade g2% and the highest point of the vertical curve of length L, is
• If L is in kilometres, the curvature correction is
• A standard steel tape of length 30 m and cross-section 15 x 1.0 mm was standardised at 25°C and at 30 kg pull. While measuring a base line at the same temperature, the pull applied was 40 kg. If the modulus of elasticity of steel tape is 2.2 x 106 kg/cm2, the correction to be applied is
• The zero of the graduated circle of a prismatic compass is located at