Surveying Polaris is usually observed for the determination of the latitude when it is At elongation Either at culmination or at elongation At culmination Neither at culmination nor at elongation At elongation Either at culmination or at elongation At culmination Neither at culmination nor at elongation ANSWER DOWNLOAD EXAMIANS APP
Surveying At upper culmination, the pole star moves Southward Westward Eastward Northward Southward Westward Eastward Northward ANSWER DOWNLOAD EXAMIANS APP
Surveying If a star whose declination is 60° N culminates at zenith, its altitude at the lower culmination, is 40° 20° 30° 10° 40° 20° 30° 10° ANSWER DOWNLOAD EXAMIANS APP
Surveying The correction for parallax, is - 8".8 cos α - 8".8 cos α + 8".8 cos α + .8" sin α - 8".8 cos α - 8".8 cos α + 8".8 cos α + .8" sin α ANSWER DOWNLOAD EXAMIANS APP
Surveying The point where a vertical line through the optical centre of the camera lens intersects the ground, is known as Perspective centre Ground principal point Iso-centre Ground plumb point Perspective centre Ground principal point Iso-centre Ground plumb point 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 = δ - z θ = 180° - (z + δ) θ = z + δ θ = (z + δ) - 180° θ = δ - z θ = 180° - (z + δ) θ = z + δ θ = (z + δ) - 180° ANSWER DOWNLOAD EXAMIANS APP
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