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 5.5 mm 6.5 mm 7.5 mm 4.4 mm 5.5 mm 6.5 mm 7.5 mm 4.4 mm ANSWER DOWNLOAD EXAMIANS APP
Surveying Subtense bar is an instrument used for levelling measurement of angles measurement of horizontal distances in undulated areas measurement of horizontal distances in plane areas levelling measurement of angles measurement of horizontal distances in undulated areas measurement of horizontal distances in plane areas ANSWER DOWNLOAD EXAMIANS APP
Surveying Direct method of contouring is a quick method suitable for hilly terrains adopted for large surveys only most accurate method a quick method suitable for hilly terrains adopted for large surveys only most accurate method ANSWER DOWNLOAD EXAMIANS APP
Surveying An imaginary line lying throughout the surface of ground and preserving a constant inclination to the horizontal is known as contour gradient contour interval horizontal equivalent contour line contour gradient contour interval horizontal equivalent contour line ANSWER DOWNLOAD EXAMIANS APP
Surveying The Polaris describes a small circle round the pole whose radius is approximately 4° 2° 1° 3° 4° 2° 1° 3° ANSWER DOWNLOAD EXAMIANS APP
Surveying Accidental errors All of these Do not follow any definite mathematical law Are generally small Cannot be removed by applying corrections to the observed values All of these Do not follow any definite mathematical law Are generally small Cannot be removed by applying corrections to the observed values ANSWER DOWNLOAD EXAMIANS APP