Surveying The scale of a vertical photograph of focal length ‘f’ taken from height of ‘H’ metres above M.S.L., at a point of reduced level ‘h’, is f/(H + h) (H - h)/f f/H f/(H - h) f/(H + h) (H - h)/f f/H f/(H - h) ANSWER DOWNLOAD EXAMIANS APP
Surveying The Polaris describes a small circle round the pole whose radius is approximately 2° 4° 1° 3° 2° 4° 1° 3° ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle of intersection of the two plane mirrors of an optical square is 60° 45° 90° 30° 60° 45° 90° 30° ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle between the observer's meridian and declination circle of a heavenly body, is known as Right ascension Hour angle Azimuth Declination Right ascension Hour angle Azimuth Declination 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 Twice Once Thrice Four times Twice Once Thrice Four times ANSWER DOWNLOAD EXAMIANS APP
Surveying Benchmark is established by barometric levelling spirit levelling hypsometry trigonometrical levelling barometric levelling spirit levelling hypsometry trigonometrical levelling ANSWER DOWNLOAD EXAMIANS APP