Surveying Local attraction in compass surveying may exist due to presence of magnetic substances near the instrument incorrect levelling of the magnetic needle friction of the needle at the pivot loss of magnetism of the needle presence of magnetic substances near the instrument incorrect levelling of the magnetic needle friction of the needle at the pivot loss of magnetism of the needle ANSWER DOWNLOAD EXAMIANS APP
Surveying The difference of levels between two stations A and B is to be determined. For best results, the instrument station should be as far as possible from the line AB closer to the higher station equidistant from A and B closer to the lower station as far as possible from the line AB closer to the higher station equidistant from A and B closer to the lower station ANSWER DOWNLOAD EXAMIANS APP
Surveying The great circle whose plane is perpendicular to the axis of rotation of the earth, is called All of these Terrestrial equator Equator 0° latitude All of these Terrestrial equator Equator 0° latitude ANSWER DOWNLOAD EXAMIANS APP
Surveying If the image of a triangulation station of R.L. 500 m is 4 cm from the principal point of a vertical photo taken from an altitude of 2000 m, above datum, the height displacement will be 2 mm 4 mm 10 mm 6 mm 2 mm 4 mm 10 mm 6 mm ANSWER DOWNLOAD EXAMIANS APP
Surveying Polaris is usually observed for the determination of the latitude when it is At elongation At culmination Neither at culmination nor at elongation Either at culmination or at elongation At elongation At culmination Neither at culmination nor at elongation Either at culmination or at elongation ANSWER DOWNLOAD EXAMIANS APP
Surveying If the distance between the projectors is altered by a movement along X-axis of one projector, y-parallax is not affected The scale of the model is altered All listed here The length of the air base is increased y-parallax is not affected The scale of the model is altered All listed here The length of the air base is increased ANSWER DOWNLOAD EXAMIANS APP
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