Surveying Local attraction in compass surveying may exist due to incorrect levelling of the magnetic needle presence of magnetic substances near the instrument loss of magnetism of the needle friction of the needle at the pivot incorrect levelling of the magnetic needle presence of magnetic substances near the instrument loss of magnetism of the needle friction of the needle at the pivot ANSWER DOWNLOAD EXAMIANS APP
Surveying Rotation of the camera at exposure about its vertical axis, is known as Swing Tip None of these Tilt Swing Tip None of these Tilt ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer then the hour angle of the star at elongation is given by sin H = tan φ . cot δ cos H = tan φ . cot δ tan H = tan φ . cot δ None of these sin H = tan φ . cot δ cos H = tan φ . cot δ tan H = tan φ . cot δ None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying At eastern elongation, the pole star moves Westward Southward Northward Eastward Westward Southward Northward Eastward ANSWER DOWNLOAD EXAMIANS APP
Surveying Latitude of the observer's position is equal to altitude of North pole All of these Celestial pole Pole star North pole All of these Celestial pole Pole star 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