How many types of variations in declination are there?
Calculate the missing lengths CD and DA of a closed traverse ABCD.
A bubble tube with a division of 2 mm and a radius of 15 m has a sensitivity of about:
Calculate the combined correction for curvature and refraction (in m) for a distance of 2 km.
The number of spectral bands in the Enhanced Thematic Mapper sensor on the remote sensing satellite Landsat-7 is
The main principle of field surveying is to work from
The method of locating a point by drawing radial lines from the plane table station to that point is called?
Which of the following surveying methods is the most accurate?
What is the included angle B of a closed traverse ABC if the fore bearing of AB is 70 degrees and the fore bearing of BC is 120 degrees?
A photogrammetric survey is to be conducted over an area of 300 km2 with a scale of 1:8000. The format of the photographs is 200 mm x 200 mm. What is the number of photographs required?