Surveying If two points differing by 1° of latitude and of the same longitude is 110 km apart on the earth, then two astronomical positions on the moon is about 30 km 25 km 10 km 50 km 30 km 25 km 10 km 50 km ANSWER DOWNLOAD EXAMIANS APP
Surveying The adjustment of horizontal cross hair is required particularly when the instrument is used for measurement of horizontal angles leveling prolonging a straight line All of these measurement of horizontal angles leveling prolonging a straight line All of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The nautical mile is the length of 1 minute of latitude 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 ANSWER DOWNLOAD EXAMIANS APP
Surveying The maximum tolerance in a 20 m chain is ±3 mm ±8 mm ±2 mm ±5 mm ±3 mm ±8 mm ±2 mm ±5 mm ANSWER DOWNLOAD EXAMIANS APP
Surveying The smaller horizontal angle between the true meridian and a survey line, is known Declination Dip Azimuth Bearing Declination Dip Azimuth Bearing ANSWER DOWNLOAD EXAMIANS APP
Surveying The foot of the perpendicular on the picture plane through the optical centre of the camera lens, is known as Plumb line Isocenter Perspective centre Principal point Plumb line Isocenter Perspective centre Principal point ANSWER DOWNLOAD EXAMIANS APP
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