Surveying The scale of a tilted photograph of focal length f, taken from an altitude H, along the plate parallel through plumb point, is f/H sec θ f sec θ/H f/H f/H cos ½θ f/H sec θ f sec θ/H f/H f/H cos ½θ ANSWER DOWNLOAD EXAMIANS APP
Surveying The time interval between successive transits of the moon, is 24 hours 50 minutes 20 hours 25 minutes 24 hours 10 minutes 23 hours 50 minutes 24 hours 50 minutes 20 hours 25 minutes 24 hours 10 minutes 23 hours 50 minutes ANSWER DOWNLOAD EXAMIANS APP
Surveying The most convenient co-ordinate system for specifying the relative positions of heavenly bodies on the celestial sphere, is Altitude and azimuth system Declination and hour angle system Declination and altitude system Declination and right ascension system Altitude and azimuth system Declination and hour angle system Declination and altitude system Declination and right ascension system ANSWER DOWNLOAD EXAMIANS APP
Surveying If a star whose declination is 60° N culminates at zenith, its altitude at the lower culmination, is 20° 40° 10° 30° 20° 40° 10° 30° ANSWER DOWNLOAD EXAMIANS APP
Surveying Benchmark is established by trigonometrical levelling spirit levelling barometric levelling hypsometry trigonometrical levelling spirit levelling barometric levelling hypsometry ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following angles can be set out with the help of French cross staff? any angle 90° only 45° only either 45° or 90° any angle 90° only 45° only either 45° or 90° ANSWER DOWNLOAD EXAMIANS APP