Surveying In a spherical triangle ABC, right angled at C, sin b equals cos a sin A sin a cos A cot A tan a tan a cot A cos a sin A sin a cos A cot A tan a tan a cot A ANSWER DOWNLOAD EXAMIANS APP
Surveying If a tripod settles in the interval that elapses between taking a back sight reading and the following foresight reading, then the elevation of turning point will not change increase decrease either ‘A’ or ‘B’ not change increase decrease either ‘A’ or ‘B’ ANSWER DOWNLOAD EXAMIANS APP
Surveying The distance between the projection centre and the photograph, is called Focal length Principal line Isocentric distance Principal distance Focal length Principal line Isocentric distance Principal distance ANSWER DOWNLOAD EXAMIANS APP
Surveying If the length of a chain is found to be short on testing, it can be adjusted by straightening the links removing one or more small circular rings All of these closing the joints of the rings if opened out straightening the links removing one or more small circular rings All of these closing the joints of the rings if opened out 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 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 If the focal length of the object glass is 25 cm and the distance from object glass to the trunnion axis is 15 cm, the additive constant is 0.4 0.6 1.33 0.1 0.4 0.6 1.33 0.1 ANSWER DOWNLOAD EXAMIANS APP