Surveying In a spherical triangle ABC, right angled at C, sin b equals cot A tan a cos a sin A sin a cos A tan a cot A cot A tan a cos a sin A sin a cos A tan a cot A 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 4000 m 5000 m 6000 m 7000 m 4000 m 5000 m 6000 m 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), (ii), (iii) (iii), (i), (ii) (ii), (iii), (i) (i), (iii), (ii) (i), (ii), (iii) (iii), (i), (ii) (ii), (iii), (i) (i), (iii), (ii) ANSWER DOWNLOAD EXAMIANS APP
Surveying ‘H’ is the flying height above mean ground level and ‘f’ is the principal distance of a vertical photograph. The mean scale of the photographs is f/H H + f H/f H. f f/H H + f H/f H. f ANSWER DOWNLOAD EXAMIANS APP
Surveying Local attraction in compass surveying may exist due to presence of magnetic substances near the instrument friction of the needle at the pivot loss of magnetism of the needle incorrect levelling of the magnetic needle presence of magnetic substances near the instrument friction of the needle at the pivot loss of magnetism of the needle incorrect levelling of the magnetic needle ANSWER DOWNLOAD EXAMIANS APP
Surveying The main object of the astronomer to obtain Astronomical latitude Astronomical bearing All of these Astronomical longitude Astronomical latitude Astronomical bearing All of these Astronomical longitude ANSWER DOWNLOAD EXAMIANS APP
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