TGPSC HMWSSB Manager 2015 Paper 2 · Question 7

Question 7 of the TSPSC Manager (Engineering), HMWSSB, 2015: Paper 2 (Civil Engineering) (1 November 2015). Try it first, then open the answer and explanation.

1. Manager 2015 Paper 2 (Civil) · Q7 · Surveying & GIS · Surveying

   In theodolite survey, the telescope is said to be inverted, if the

   1. Vertical circle is to the right of the observer and the bubble of the telescope is up
   2. Vertical circle is to the right of the observer and the bubble of the telescope is down
   3. Vertical circle is to the left of the observer and the bubble of the telescope is up
   4. Vertical circle is to the left of the observer and the bubble of the telescope is down
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   Answer: (2) Vertical circle is to the right of the observer and the bubble of the telescope is down

   In the normal (face left) position the vertical circle is on the observer's left and the telescope bubble is up. After transiting, the telescope is inverted (face right): the vertical circle comes to the observer's right and the bubble is down.

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