Surveying In direct method of contouring, the process of locating or identifying points lying on a contour is called centring horizontal control ranging vertical control centring horizontal control ranging vertical control ANSWER DOWNLOAD EXAMIANS APP
Surveying The type of surveying which requires least office work is tacheomefry theodolite surveying trigonometrical levelling plane table surveying tacheomefry theodolite surveying trigonometrical levelling plane table surveying ANSWER DOWNLOAD EXAMIANS APP
Surveying α and β are the angles subtended by a point of elevation h at their air station with respective plumb points. Photo scale and focal length of the lens being ‘S’ and ‘f’ respectively. Parallax displacement of the point due to relief, is h tan β/S h (tan α + tan β)/S h (tan α - tan β)/S h tan α/S h tan β/S h (tan α + tan β)/S h (tan α - tan β)/S h tan α/S ANSWER DOWNLOAD EXAMIANS APP
Surveying For accurate work, the steel band should always be used in preference to chain because the steel band is easier to handle is lighter than chain is practically inextensible and is not liable to kinks when in use can be easily repaired in the field is easier to handle is lighter than chain is practically inextensible and is not liable to kinks when in use can be easily repaired in the field ANSWER DOWNLOAD EXAMIANS APP
Surveying The position of the sun when its north declination is maximum is known as Autumnal equinox Summer solstice Winter solstice Vernal equinox Autumnal equinox Summer solstice Winter solstice Vernal equinox ANSWER DOWNLOAD EXAMIANS APP
Surveying The station where observations are not made, but the angles at the station are used in triangulation series, is known as Pivot station Subsidiary station Main station Satellite station Pivot station Subsidiary station Main station Satellite station ANSWER DOWNLOAD EXAMIANS APP