Surveying Assuming human normal vision distance 25 cm, smallest measurable angle 20", and intraocular distance 6.5 cm, the smallest depth to be discerned is 0.5 mm 1.00 mm 0.1 mm 1.1 mm 0.5 mm 1.00 mm 0.1 mm 1.1 mm 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 A = cos δ/cos λ cos H = tan λ/tan δ sin α = sin λ/sin δ All listed here sin A = cos δ/cos λ cos H = tan λ/tan δ sin α = sin λ/sin δ ANSWER DOWNLOAD EXAMIANS APP
Surveying For accurate work, the steel band should always be used in preference to chain because the steel band is easier to handle is lighter than chain can be easily repaired in the field is practically inextensible and is not liable to kinks when in use is easier to handle is lighter than chain can be easily repaired in the field is practically inextensible and is not liable to kinks when in use ANSWER DOWNLOAD EXAMIANS APP
Surveying The length of a parallel of λ latitude between two meridians is equal to difference in longitudes multiplied by tan λ sin λ cos λ cot λ tan λ sin λ cos λ cot λ ANSWER DOWNLOAD EXAMIANS APP
Surveying The allowable length of an offset depends upon the method of setting out the perpendiculars and nature of ground scale of plotting degree of accuracy required All of these method of setting out the perpendiculars and nature of ground scale of plotting degree of accuracy required All of these ANSWER DOWNLOAD EXAMIANS APP
Surveying 23 cm × 23 cm photographs are taken from a flying height with a camera of focal length of 3600 m and 15.23 cm respectively. A parallax difference of 0.01 mm represents 1 m 4 m 2 m 3 m 1 m 4 m 2 m 3 m ANSWER DOWNLOAD EXAMIANS APP