Surveying Local attraction in compass surveying may exist due to 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 presence of magnetic substances near the instrument friction of the needle at the pivot ANSWER DOWNLOAD EXAMIANS APP
Surveying The net ground area of a vertical photograph 20 cm × 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is 0.50 sq km 0.60 sq km 0.64 sq km 0.56 sq km 0.50 sq km 0.60 sq km 0.64 sq km 0.56 sq km ANSWER DOWNLOAD EXAMIANS APP
Surveying The following sights are taken on a “turning point” foresight only foresight only foresight and backsight foresight and intermediate sight foresight only foresight only foresight and backsight foresight and intermediate sight ANSWER DOWNLOAD EXAMIANS APP
Surveying The most convenient co-ordinate system for specifying the relative positions of heavenly bodies on the celestial sphere, is Altitude and azimuth system Declination and hour angle system Declination and right ascension system Declination and altitude system Altitude and azimuth system Declination and hour angle system Declination and right ascension system Declination and altitude system ANSWER DOWNLOAD EXAMIANS APP
Surveying Check lines (or proof lines) in Chain Surveying, are essentially required To plot the offsets To indicate the accuracy of the survey work To plot the chain lines To increase the out-turn To plot the offsets To indicate the accuracy of the survey work To plot the chain lines To increase the out-turn ANSWER DOWNLOAD EXAMIANS APP
Surveying In a truly vertical photograph, Principal point coincides the isocenter Iso-centre coincides the plumb point Plumb point coincides the principal point All listed here Principal point coincides the isocenter Iso-centre coincides the plumb point Plumb point coincides the principal point All listed here ANSWER DOWNLOAD EXAMIANS APP
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