Surveying Which of the following errors can be neutralised by setting the level midway between the two stations ? error due to curvature only error due to refraction only error due to both curvature and re-fraction None of these error due to curvature only error due to refraction only error due to both curvature and re-fraction None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The correction applied to the measured base of length ‘L’ is All of these Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports Sag = L³w²/24P² where w is the weight of tape/m Tension = (P - Ps)L/AE All of these Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports Sag = L³w²/24P² where w is the weight of tape/m Tension = (P - Ps)L/AE ANSWER DOWNLOAD EXAMIANS APP
Surveying After fixing the plane table to the tripod, the main operations which are needed at each plane table station are (i) Levelling (ii) Orientation (iii) CenteringThe correct sequence of these operations is (ii), (iii), (i) (i), (iii), (ii) (iii), (i), (ii) (i), (ii), (iii) (ii), (iii), (i) (i), (iii), (ii) (iii), (i), (ii) (i), (ii), (iii) ANSWER DOWNLOAD EXAMIANS APP
Surveying For accurate work, the steel band should always be used in preference to chain because the steel band is practically inextensible and is not liable to kinks when in use is easier to handle can be easily repaired in the field is lighter than chain is practically inextensible and is not liable to kinks when in use is easier to handle can be easily repaired in the field is lighter than chain ANSWER DOWNLOAD EXAMIANS APP
Surveying If θ and δ be the latitude of a place and declination of a star respectively, the upper culmination of the star will be north of zenith if its zenith distance, is θ + δ δ - θ θ - δ (θ + δ)/2 θ + δ δ - θ θ - δ (θ + δ)/2 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 4.4 mm 5.5 mm 7.5 mm 6.5 mm 4.4 mm 5.5 mm 7.5 mm 6.5 mm ANSWER DOWNLOAD EXAMIANS APP