Surveying The difference between a level line and a horizontal line is that level line is a curved line while hori-zontal line is a straight line horizontal line is normal to plumb line while level line may not be normal to the plumb 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 both are same level line is a curved line while hori-zontal line is a straight line horizontal line is normal to plumb line while level line may not be normal to the plumb 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 both are same ANSWER DOWNLOAD EXAMIANS APP
Surveying Normal tension is that pull which makes the correction due to pull equal to zero makes the correction due to sag equal to zero is used at the time of standardising the tape neutralizes the effect due to pull and sag makes the correction due to pull equal to zero makes the correction due to sag equal to zero is used at the time of standardising the tape neutralizes the effect due to pull and sag ANSWER DOWNLOAD EXAMIANS APP
Surveying The instrument used for accurate centering in plane table survey is alidade trough compass spirit level plumbing fork alidade trough compass spirit level plumbing fork ANSWER DOWNLOAD EXAMIANS APP
Surveying In the cross-section method of indirect contouring, the spacing of cross-sections depends uponi) contour intervalii) scale of planiii) characteristics of groundThe correct answer is (ii) and (iii) only (i) (i), (ii) and (iii) (i) and (ii) (ii) and (iii) only (i) (i), (ii) and (iii) (i) and (ii) 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) (ii), (iii), (i) (iii), (i), (ii) (i), (ii), (iii) (i), (iii), (ii) (ii), (iii), (i) (iii), (i), (ii) (i), (ii), (iii) ANSWER DOWNLOAD EXAMIANS APP
Surveying The orthogonal projection of the perspective centre on a tilted photograph, is called Plumb point Principal point Nadir Isocenter Plumb point Principal point Nadir Isocenter ANSWER DOWNLOAD EXAMIANS APP