Surveying If ‘δ’ is the declination of the Polaris and ‘λ’ is the latitude of the place, the azimuth of the Polaris, is tan (90° + δ)/tan (90° + λ) cos δ/cos λ sin (90° - δ)/sin (90° - λ) cos (90° - δ)/cos (90° - λ) tan (90° + δ)/tan (90° + λ) cos δ/cos λ sin (90° - δ)/sin (90° - λ) cos (90° - δ)/cos (90° - λ) ANSWER DOWNLOAD EXAMIANS APP
Surveying The moon rotates round the earth once in every 29 days 29.53 days 29.35 days 30 days 29 days 29.53 days 29.35 days 30 days ANSWER DOWNLOAD EXAMIANS APP
Surveying The station where observations are not made, but the angles at the station are used in triangulation series, is known as Subsidiary station Pivot station Main station Satellite station Subsidiary station Pivot station Main station Satellite station ANSWER DOWNLOAD EXAMIANS APP
Surveying The difference between a level line and a horizontal line is that horizontal line is normal to plumb line while level line may not be normal to the plumb line both are same level line is a curved line while hori-zontal line is a straight line level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line horizontal line is normal to plumb line while level line may not be normal to the plumb line both are same level line is a curved line while hori-zontal line is a straight line level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line ANSWER DOWNLOAD EXAMIANS APP
Surveying According to Napier's Rules of circular parts for a right angled triangle, sine of middle part equals the product of Tangents of two adjacent parts Cosines of two adjacent parts Both (A) and (B) above Sines of two adjacent parts Tangents of two adjacent parts Cosines of two adjacent parts Both (A) and (B) above Sines of two adjacent parts ANSWER DOWNLOAD EXAMIANS APP
Surveying The distance between the projection centre and the photograph, is called Isocentric distance Principal line Principal distance Focal length Isocentric distance Principal line Principal distance Focal length ANSWER DOWNLOAD EXAMIANS APP