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 In triangulation surveys Sides are not measured excepting the base line The area is divided into triangular figures All listed here Control stations are located from which detailed surveys are carried out Sides are not measured excepting the base line The area is divided into triangular figures All listed here Control stations are located from which detailed surveys are carried out ANSWER DOWNLOAD EXAMIANS APP
Surveying The rise and fall method of levelling provides a complete check on All of these backsight intermediate sight foresight All of these backsight intermediate sight foresight ANSWER DOWNLOAD EXAMIANS APP
Surveying Homologous point is Ground isocenter Ground principal point Photo principal point All listed here Ground isocenter Ground principal point Photo principal point All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying Height of instrument method of levelling is more accurate than rise and fall method less accurate than rise and fall method None of these quicker and less tedious for large number of intermediate sights more accurate than rise and fall method less accurate than rise and fall method None of these quicker and less tedious for large number of intermediate sights ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer, then the azimuth of the star at elongation is given by sin z = sec φ . cos δ cos z = sec φ . cos δ tan z = sec φ . cos δ None of these sin z = sec φ . cos δ cos z = sec φ . cos δ tan z = sec φ . cos δ None of these ANSWER DOWNLOAD EXAMIANS APP