Surveying Local attraction in compass surveying may exist due to friction of the needle at the pivot presence of magnetic substances near the instrument incorrect levelling of the magnetic needle loss of magnetism of the needle friction of the needle at the pivot presence of magnetic substances near the instrument incorrect levelling of the magnetic needle loss of magnetism of the needle ANSWER DOWNLOAD EXAMIANS APP
Surveying The point on the celestial sphere vertically below the observer's position, is called Pole Celestial point Nadir Zenith Pole Celestial point Nadir Zenith ANSWER DOWNLOAD EXAMIANS APP
Surveying Circumpolar stars Remain always above the horizon Rotate round the North Pole Are seldom seen near the pole star Rotate round the celestial pole Remain always above the horizon Rotate round the North Pole Are seldom seen near the pole star Rotate round the celestial pole 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 Satellite station Main station Pivot station Subsidiary station Satellite station Main station Pivot station ANSWER DOWNLOAD EXAMIANS APP
Surveying The declination and right ascension of the sun becomes 23° 27' N and 90° respectively on December 22 March 21 June 21 September 21 December 22 March 21 June 21 September 21 ANSWER DOWNLOAD EXAMIANS APP
Surveying The true and mean suns occupy the same meridian at the same time on September 1 April 15 All of these June 14 September 1 April 15 All of these June 14 ANSWER DOWNLOAD EXAMIANS APP