Surveying If the staff is not held vertical at a level¬ling station, the reduced level calculated from the observation would be None of these true R.L. less than true R.L. more than true R.L. None of these true R.L. less than true R.L. more than true R.L. ANSWER DOWNLOAD EXAMIANS APP
Surveying Local attraction in compass surveying may exist due to loss of magnetism of the needle presence of magnetic substances near the instrument friction of the needle at the pivot incorrect levelling of the magnetic needle loss of magnetism of the needle presence of magnetic substances near the instrument friction of the needle at the pivot incorrect levelling of the magnetic needle ANSWER DOWNLOAD EXAMIANS APP
Surveying The principal plane contains Principal point Nadir point Iso-centre All of these Principal point Nadir point Iso-centre All of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called True horizon Rational horizon Celestial horizon All of these True horizon Rational horizon Celestial horizon All of these ANSWER DOWNLOAD EXAMIANS APP
Surveying If the length of a chain is found to be short on testing, it can be adjusted by straightening the links removing one or more small circular rings closing the joints of the rings if opened out All of these straightening the links removing one or more small circular rings closing the joints of the rings if opened out All of these ANSWER DOWNLOAD EXAMIANS APP
Surveying If the general ground level of any area is 10% of the flying height, the principal points may be used as the centers of radial directions for small scale mapping even in tilted photograph up to 1° 3° 2° 4° 1° 3° 2° 4° ANSWER DOWNLOAD EXAMIANS APP