Surveying The scale of a tilted photograph of focal length f taken from an altitude H, along the plate parallel through principal point is f/H f sec θ/H f/H cos ½θ f/H sec θ f/H f sec θ/H f/H cos ½θ f/H sec θ ANSWER DOWNLOAD EXAMIANS APP
Surveying The scale of the photography taken from a height of 300 m, with a camera of focal length 15 cm, is 1 : 10,000 1 : 30,000 1 : 15,000 1 : 20,000 1 : 10,000 1 : 30,000 1 : 15,000 1 : 20,000 ANSWER DOWNLOAD EXAMIANS APP
Surveying Normal tension is that pull which makes the correction due to sag equal to zero is used at the time of standardising the tape makes the correction due to pull equal to zero neutralizes the effect due to pull and sag makes the correction due to sag equal to zero is used at the time of standardising the tape makes the correction due to pull equal to zero neutralizes the effect due to pull and sag ANSWER DOWNLOAD EXAMIANS APP
Surveying The value of geocentric parallax to be added to the observed altitude of sun is 9" cos α 9" cot α 9" tan α 9" sin α 9" cos α 9" cot α 9" tan α 9" sin α ANSWER DOWNLOAD EXAMIANS APP
Surveying The position of a heavenly body on the celestial sphere can be completely specified by Its declination and hour angle All listed here Its declination and right ascension Its altitude and azimuth Its declination and hour angle All listed here Its declination and right ascension Its altitude and azimuth ANSWER DOWNLOAD EXAMIANS APP
Surveying If a star whose declination is 60° N culminates at zenith, its altitude at the lower culmination, is 40° 20° 10° 30° 40° 20° 10° 30° ANSWER DOWNLOAD EXAMIANS APP