Surveying Which of the following errors can be eliminated by taking mean of bot face observations ? error due to eccentricity of verniers error due to line of collimation not being perpendicular to horizontal axis error due to imperfect adjustment of plate levels error due to imperfect graduations error due to eccentricity of verniers error due to line of collimation not being perpendicular to horizontal axis error due to imperfect adjustment of plate levels error due to imperfect graduations ANSWER DOWNLOAD EXAMIANS APP
Surveying The foot of the perpendicular on the picture plane through the optical centre of the camera lens, is known as Plumb line Principal point Isocenter Perspective centre Plumb line Principal point Isocenter Perspective centre ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following angles can be set out with the help of French cross staff? any angle either 45° or 90° 90° only 45° only any angle either 45° or 90° 90° only 45° only ANSWER DOWNLOAD EXAMIANS APP
Surveying If θ and δ be the latitude of an observer and declination of a heavenly body respectively, the upper culmination of the body will be south of zenith if its zenith distance, is δ - θ θ + δ ½ (θ - δ) θ - δ δ - θ θ + δ ½ (θ - δ) θ - δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The chord of a curve less than peg interval, is known as Sub-chord Short chord Normal chord Small chord Sub-chord Short chord Normal chord Small chord ANSWER DOWNLOAD EXAMIANS APP
Surveying Rotation of the camera at exposure about horizontal axis normal to the line of flight, is known as None of these Tip Tilt Swing None of these Tip Tilt Swing ANSWER DOWNLOAD EXAMIANS APP
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