Surveying Which of the following errors can be eliminated by taking mean of bot face observations ? error due to eccentricity of verniers error due to imperfect graduations error due to imperfect adjustment of plate levels error due to line of collimation not being perpendicular to horizontal axis error due to eccentricity of verniers error due to imperfect graduations error due to imperfect adjustment of plate levels error due to line of collimation not being perpendicular to horizontal axis ANSWER DOWNLOAD EXAMIANS APP
Surveying Size of a theodolite is specified by the diameter of vertical circle the diameter of upper plate the length of telescope the diameter of lower plate the diameter of vertical circle the diameter of upper plate the length of telescope the diameter of lower plate ANSWER DOWNLOAD EXAMIANS APP
Surveying If the length of a chain is found to be short on testing, it can be adjusted by 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 straightening the links removing one or more small circular rings All of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The cross hairs in the surveying telescope are placed much closer to the objective lens than to the eye piece much closer to the eye-piece than to the objective lens midway between eye piece and objec-tive lens anywhere between eye-piece and objective lens much closer to the objective lens than to the eye piece much closer to the eye-piece than to the objective lens midway between eye piece and objec-tive lens anywhere between eye-piece and objective lens ANSWER DOWNLOAD EXAMIANS APP
Surveying To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30,000, with a camera of 30 cm focal length, the flying height is 7000 m 5000 m 4000 m 6000 m 7000 m 5000 m 4000 m 6000 m ANSWER DOWNLOAD EXAMIANS APP
Surveying If the equatorial distance between two meridians is 100 km, their distance at 60° latitude will be 800 km 600 km 1000 km 500 km 800 km 600 km 1000 km 500 km ANSWER DOWNLOAD EXAMIANS APP
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