Surveying If the focal length of the object glass is 25 cm and the distance from object glass to the trunnion axis is 15 cm, the additive constant is 0.1 1.33 0.4 0.6 0.1 1.33 0.4 0.6 ANSWER DOWNLOAD EXAMIANS APP
Surveying α and β are the angles subtended by a point of elevation h at their air station with respective plumb points. Photo scale and focal length of the lens being ‘S’ and ‘f’ respectively. Parallax displacement of the point due to relief, is h tan α/S h tan β/S h (tan α - tan β)/S h (tan α + tan β)/S h tan α/S h tan β/S h (tan α - tan β)/S h (tan α + tan β)/S ANSWER DOWNLOAD EXAMIANS APP
Surveying The declination and right ascension of the sun becomes 23° 27' N and 90° respectively on June 21 September 21 March 21 December 22 June 21 September 21 March 21 December 22 ANSWER DOWNLOAD EXAMIANS APP
Surveying Equation of time which is the difference between apparent solar time and mean solar time at any instant, vanishes during one year Once Twice Thrice Four times Once Twice Thrice Four times ANSWER DOWNLOAD EXAMIANS APP
Surveying The sidereal day is the time interval between two successive upper transits of The polar star First point of Libra First point of Aries Mean sun The polar star First point of Libra First point of Aries Mean sun ANSWER DOWNLOAD EXAMIANS APP
Surveying If two points differing by 1° of latitude and of the same longitude is 110 km apart on the earth, then two astronomical positions on the moon is about 25 km 50 km 10 km 30 km 25 km 50 km 10 km 30 km ANSWER DOWNLOAD EXAMIANS APP