

Surveying - Engineering
Q1: The theodolites used for making tacheometric observations by optical wedge system, areA
provided with stadia hairs in front of eye piece
B
not provided with stadia hairs at all
C
fitted with a glass wedge inside the telescope
D
fitted with a glass wedge in front of telescope.
ANS:D - fitted with a glass wedge in front of telescope. Optical Wedge system. |


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