Advanced Surveying Questions

• The equation which is obtained by multiplying each equation by the coefficient of its un-knowns and by adding the equations thus formed, is known as
• Polaris is usually observed for the determination of the azimuth when it is
• The parallax equation is applicable to entire overlap of the photographs only if parallax is measured
• The most convenient co-ordinate system for specifying the relative positions of heavenly bodies on the celestial sphere, is
• For any star to be a circumpolar star, its
• The station which is selected close to the main triangulation station, to avoid intervening obstruction, is not known as
• If v, t and are the ground speed of the aircraft, the shutter speed of the camera and the scale of the photograph respectively, then the amount of image displacement
• The correction for parallax, is
• Pick up the correct statement from the following. The difference between the longitudes of the places is obtained.
• The height displacement on a vertical photograph
• In a tropical year, the number of sidereal days, are
• Pick up the correct statement from the following :
• The relation between the air base (B), photographic base (b), flying height (H) and the focal length (f) of a vertical photograph, is
• Systematic errors
• The difference in longitude of two places expressed in time is equal to the difference in their
• The hour angle of the heavenly body for Greenwich meridian equals the hour angle of the body for any other meridian + longitude :
• The circle in which a plane tangent to the earth's surface at the point of observation, intersects the celestial sphere, is called
• Pick up the correct statement from the following :
• Invar tapes used for measuring base lines, is made of nickel-iron alloy containing nickel
• The scale of a vertical photograph of focal length f taken from height of H metres above M.S.L., at a point of reduced level h, is