Surveying The hour angle of the heavenly body for Greenwich meridian equals the hour angle of the body for any other meridian + longitude: Vernal equinox All listed here Mean sun True sun Vernal equinox All listed here Mean sun True sun ANSWER DOWNLOAD EXAMIANS APP
Surveying For any star to be a circumpolar star, its Distance from the pole must be less than the latitude of the observer Hour angle must be 180° Declination must be 0° Declination must be 90° Distance from the pole must be less than the latitude of the observer Hour angle must be 180° Declination must be 0° Declination must be 90° ANSWER DOWNLOAD EXAMIANS APP
Surveying The nautical mile is the length of 1 degree of latitude 1 degree of longitude 1 minute of longitude 1 minute of latitude 1 degree of latitude 1 degree of longitude 1 minute of longitude 1 minute of latitude ANSWER DOWNLOAD EXAMIANS APP
Surveying The displacement of the pictured position of a point of h elevation on a vertical photograph taken with a camera of 30 cm focal length, from an altitude of 3000 m, is 7.5 mm 6.5 mm 5.5 mm 4.4 mm 7.5 mm 6.5 mm 5.5 mm 4.4 mm ANSWER DOWNLOAD EXAMIANS APP
Surveying The difference between a level line and a horizontal line is that level line is a curved line while hori-zontal line is a straight line horizontal line is normal to plumb line while level line may not be normal to the plumb line level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line both are same level line is a curved line while hori-zontal line is a straight line horizontal line is normal to plumb line while level line may not be normal to the plumb line level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line both are same ANSWER DOWNLOAD EXAMIANS APP
Surveying ‘H’ is the flying height above mean ground level and ‘f’ is the principal distance of a vertical photograph. The mean scale of the photographs is H. f H + f f/H H/f H. f H + f f/H H/f ANSWER DOWNLOAD EXAMIANS APP
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