Surveying The horizontal angle between the true meridian and magnetic meridian at a place is called magnetic bearing declination local attraction azimuth magnetic bearing declination local attraction azimuth ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘δ’ is the declination of the Polaris and ‘λ’ is the latitude of the place, the azimuth of the Polaris, is sin (90° - δ)/sin (90° - λ) tan (90° + δ)/tan (90° + λ) cos δ/cos λ cos (90° - δ)/cos (90° - λ) sin (90° - δ)/sin (90° - λ) tan (90° + δ)/tan (90° + λ) cos δ/cos λ cos (90° - δ)/cos (90° - λ) 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 4000 m 7000 m 5000 m 6000 m 4000 m 7000 m 5000 m 6000 m ANSWER DOWNLOAD EXAMIANS APP
Surveying From the principal point the horizon point lies on the principal line at a distance of f cos θ f cot θ f sin θ f tan θ f cos θ f cot θ f sin θ f tan θ ANSWER DOWNLOAD EXAMIANS APP
Surveying If 16 flight lines are run perpendicular to an area 30 km wide, their spacings on a photographical map on scale 1 : 50,000 , will be 2 cm 3 cm 4 cm 1 cm 2 cm 3 cm 4 cm 1 cm ANSWER DOWNLOAD EXAMIANS APP
Surveying For a tacheometer the additive and multi-plying constants are respectively 100 and 0 100 and 100 0 and 100 0 and 0 100 and 0 100 and 100 0 and 100 0 and 0 ANSWER DOWNLOAD EXAMIANS APP