Surveying 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 Plumb point Isocenter Perspective centre Principal point Plumb point Isocenter Perspective centre Principal point ANSWER DOWNLOAD EXAMIANS APP
Surveying The distance between the minor control point and the principal point should be equal to Base line of the right photograph of stereo pair Sum of the base lines of stereo pair Base line of the left photograph of stereo pair Mean of the base lines of the stereo pair Base line of the right photograph of stereo pair Sum of the base lines of stereo pair Base line of the left photograph of stereo pair Mean of the base lines of the stereo pair ANSWER DOWNLOAD EXAMIANS APP
Surveying If α, H, A and δ be the altitude, hour angle, azimuth and declination of a circumpolar star at its elongation, in latitude λ, the following relation holds good All listed here sin α = sin λ/sin δ sin A = cos δ/cos λ cos H = tan λ/tan δ All listed here sin α = sin λ/sin δ sin A = cos δ/cos λ cos H = tan λ/tan δ ANSWER DOWNLOAD EXAMIANS APP
Surveying On vertical photographs, height displacement is All listed here Positive for points above datum Negative for points below datum Zero for points vertically below the air station All listed here Positive for points above datum Negative for points below datum Zero for points vertically below the air station ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following is not the function of levelling head ? to support the main part of the instrument to provide a means for leveling the theodolite None of these to attach the theodolite to the tripod to support the main part of the instrument to provide a means for leveling the theodolite None of these to attach the theodolite to the tripod ANSWER DOWNLOAD EXAMIANS APP
Surveying For any star to be a circumpolar star, its Distance from the pole must be less than the latitude of the observer Hour angle must be 180° Declination must be 0° Declination must be 90° Distance from the pole must be less than the latitude of the observer Hour angle must be 180° Declination must be 0° Declination must be 90° ANSWER DOWNLOAD EXAMIANS APP
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