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 α + tan β)/S h tan β/S h tan α/S h (tan α - tan β)/S h (tan α + tan β)/S h tan β/S h tan α/S h (tan α - tan β)/S ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following methods of contouring is most suitable for a hilly terrain? Direct method Tachometric method Cross-sections method Square method Direct method Tachometric method Cross-sections method Square method ANSWER DOWNLOAD EXAMIANS APP
Surveying If α is the observed altitude, the refraction correction in seconds, is 58" tan α 58 sin α 58 cos α 58" cot α 58" tan α 58 sin α 58 cos α 58" cot α ANSWER DOWNLOAD EXAMIANS APP
Surveying The cross hairs in the surveying telescope are placed much closer to the eye-piece than to the objective lens much closer to the objective lens than to the eye piece midway between eye piece and objec-tive lens anywhere between eye-piece and objective lens much closer to the eye-piece than to the objective lens much closer to the objective lens than to the eye piece midway between eye piece and objec-tive lens anywhere between eye-piece and objective lens ANSWER DOWNLOAD EXAMIANS APP
Surveying In a tropical year, the numbers of sidereal days are 366.2422 365.2224 365.2422 365 366.2422 365.2224 365.2422 365 ANSWER DOWNLOAD EXAMIANS APP
Surveying In a spherical triangle ABC, right angled at C, sin b equals sin a cos A cos a sin A cot A tan a tan a cot A sin a cos A cos a sin A cot A tan a tan a cot A ANSWER DOWNLOAD EXAMIANS APP
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