Surveying The relation between the air base (B), photographic base (b), flying height (H) and the focal length (f) of a vertical photograph, is B = b/fH B = bH/f B = H/bf B =f/bH B = b/fH B = bH/f B = H/bf B =f/bH ANSWER DOWNLOAD EXAMIANS APP
Surveying The Polaris remains below horizon at 5° S latitude 10° N 50° N Latitude Equator 5° S latitude 10° N 50° N Latitude Equator ANSWER DOWNLOAD EXAMIANS APP
Surveying Subtense bar is an instrument used for measurement of horizontal distances in plane areas levelling measurement of horizontal distances in undulated areas measurement of angles measurement of horizontal distances in plane areas levelling measurement of horizontal distances in undulated areas measurement of angles 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 Main station Subsidiary station Satellite station Pivot station Main station Subsidiary station Satellite station ANSWER DOWNLOAD EXAMIANS APP
Surveying In direct method of contouring, the process of locating or identifying points lying on a contour is called centring horizontal control vertical control ranging centring horizontal control vertical control ranging ANSWER DOWNLOAD EXAMIANS APP
Surveying If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference toi) altitude bubble on index frameii) altitude bubble on index frame if it is to be used as a leveliii) altitude bubble on telescopeiv) altitude bubble on telescope if it is to be used as a levelThe correct answer is both (ii) and (iii) both (i) and (iv) only (iii) only (i) both (ii) and (iii) both (i) and (iv) only (iii) only (i) ANSWER DOWNLOAD EXAMIANS APP