Surveying
Homologous points are

Corresponding points on the ground and photograph
Nodal points of the camera lens
Plumb points of stereo pair of photographs
Opposite corners of a photograph

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Surveying
Circumpolar stars

Rotate round the celestial pole
Are seldom seen near the pole star
Remain always above the horizon
Rotate round the North Pole

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Surveying
Transit rule of adjusting the consecutive coordinates of a traverse is used where

linear measurements are more accurate than angular measurements
angular measurements are more accurate than linear measurements
linear and angular measurements of the traverse are of equal accuracy
All of these

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