Surveying The distance between the projection centre and the photograph, is called Isocentric distance Principal line Focal length Principal distance Isocentric distance Principal line Focal length Principal distance ANSWER DOWNLOAD EXAMIANS APP
Surveying The difference of levels between two stations A and B is to be determined. For best results, the instrument station should be closer to the lower station equidistant from A and B as far as possible from the line AB closer to the higher station closer to the lower station equidistant from A and B as far as possible from the line AB closer to the higher station ANSWER DOWNLOAD EXAMIANS APP
Surveying After fixing the plane table to the tripod, the main operations which are needed at each plane table station are (i) Levelling (ii) Orientation (iii) CenteringThe correct sequence of these operations is (i), (iii), (ii) (iii), (i), (ii) (i), (ii), (iii) (ii), (iii), (i) (i), (iii), (ii) (iii), (i), (ii) (i), (ii), (iii) (ii), (iii), (i) ANSWER DOWNLOAD EXAMIANS APP
Surveying The difference between a level line and a horizontal line is that level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line horizontal line is normal to plumb line while level line may not be normal to the plumb line both are same level line is a curved line while hori-zontal line is a straight line level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line horizontal line is normal to plumb line while level line may not be normal to the plumb line both are same level line is a curved line while hori-zontal line is a straight line ANSWER DOWNLOAD EXAMIANS APP
Surveying The want of correspondence in stereo-photographs Is a function of tilt Is minimum when θ is 3° Is not affected by the change of flying height between photographs Is a good property Is a function of tilt Is minimum when θ is 3° Is not affected by the change of flying height between photographs Is a good property ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following is not the function of levelling head ? to support the main part of the instrument None of these to attach the theodolite to the tripod to provide a means for leveling the theodolite to support the main part of the instrument None of these to attach the theodolite to the tripod to provide a means for leveling the theodolite ANSWER DOWNLOAD EXAMIANS APP
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