Pick up the correct statement from the following:-A-The topographical maps of the Survey of India are useful in the mountainous region for tunnelling.B-The height point on the ridge is fixed with the help of reciprocal rangingC-The accuracy of 1 in 10, 000 is required for planimetric controlD-1 second theodolite is used for angular measurement to achieve an angular error of 15 N where N is number of anglesE-All the above.-E-All the above.

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APTITUDE CRACK · Accepted Answer

E All the above. No answer description is available.

Tunnelling

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Tunnelling

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