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 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 All listed here sin A = cos δ/cos λ cos H = tan λ/tan δ ANSWER DOWNLOAD EXAMIANS APP
Surveying If the distance between the projectors is altered by a movement along X-axis of one projector, All listed here y-parallax is not affected The scale of the model is altered The length of the air base is increased All listed here y-parallax is not affected The scale of the model is altered The length of the air base is increased ANSWER DOWNLOAD EXAMIANS APP
Surveying The altitude of a heavenly body is its angular distance, measured on the vertical circle passing through the body, above None of these Horizon Equator Pole None of these Horizon Equator Pole ANSWER DOWNLOAD EXAMIANS APP
Surveying For accurate work, the steel band should always be used in preference to chain because the steel band 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 is easier to handle is lighter than chain can be easily repaired in the field ANSWER DOWNLOAD EXAMIANS APP
Surveying To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30,000, with a camera of 30 cm focal length, the flying height is 6000 m 4000 m 7000 m 5000 m 6000 m 4000 m 7000 m 5000 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The principal line is the line joining the principal point and Isocenter None of these Perspective centre Nadir Isocenter None of these Perspective centre Nadir ANSWER DOWNLOAD EXAMIANS APP
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