Surveying The net ground area of a vertical photograph 20 cm × 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is 0.64 sq km 0.60 sq km 0.50 sq km 0.56 sq km 0.64 sq km 0.60 sq km 0.50 sq km 0.56 sq km ANSWER DOWNLOAD EXAMIANS APP
Surveying The maximum error in radial line assumption, is h/H f tan θ h/H f cos θ h/H f² tan θ h/H f² sin θ h/H f tan θ h/H f cos θ h/H f² tan θ h/H f² sin θ ANSWER DOWNLOAD EXAMIANS APP
Surveying Longitudes are measured from 0° to 360° eastward 180° east or westward 180° westward 180° eastward 360° eastward 180° east or westward 180° westward 180° eastward ANSWER DOWNLOAD EXAMIANS APP
Surveying For any star to be a circumpolar star, its Hour angle must be 180° Declination must be 90° Declination must be 0° Distance from the pole must be less than the latitude of the observer Hour angle must be 180° Declination must be 90° Declination must be 0° Distance from the pole must be less than the latitude of the observer ANSWER DOWNLOAD EXAMIANS APP
Surveying The sidereal day is the time interval between two successive upper transits of First point of Libra Mean sun The polar star First point of Aries First point of Libra Mean sun The polar star First point of Aries ANSWER DOWNLOAD EXAMIANS APP
Surveying The adjustment of horizontal cross hair is required particularly when the instrument is used for All of these prolonging a straight line leveling measurement of horizontal angles All of these prolonging a straight line leveling measurement of horizontal angles ANSWER DOWNLOAD EXAMIANS APP