Surveying To avoid large centering error with very short legs, observations are generally made To chain pins By using optical system for centering the theodolite To a target fixed on theodolite tripod on which theodolite may be fitted easily All listed here To chain pins By using optical system for centering the theodolite To a target fixed on theodolite tripod on which theodolite may be fitted easily All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying Local attraction in compass surveying may exist due to loss of magnetism of the needle incorrect levelling of the magnetic needle friction of the needle at the pivot presence of magnetic substances near the instrument loss of magnetism of the needle incorrect levelling of the magnetic needle friction of the needle at the pivot presence of magnetic substances near the instrument 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 All of these Celestial horizon True horizon Rational horizon All of these Celestial horizon ANSWER DOWNLOAD EXAMIANS APP
Surveying At lower culmination, the pole star moves Northward Southward Eastward Westward Northward Southward Eastward Westward ANSWER DOWNLOAD EXAMIANS APP
Surveying The maximum error in radial line assumption, is h/H f cos θ h/H f² tan θ h/H f² sin θ h/H f tan θ h/H f cos θ h/H f² tan θ h/H f² sin θ h/H f tan θ ANSWER DOWNLOAD EXAMIANS APP
Surveying When a star is between the pole and the horizon, the relationship between latitude (λ), zenith distance (z) and declination δ, is θ = 180° - (z + δ) θ = (z + δ) - 180° θ = z + δ θ = δ - z θ = 180° - (z + δ) θ = (z + δ) - 180° θ = z + δ θ = δ - z ANSWER DOWNLOAD EXAMIANS APP
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