Cross-staff is used for

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Question:
 
Cross-staff is used for

1.setting out right angles

2.measuring contour gradient

3. taking levels

4. measuring distances

Posted Date:-2021-03-26 00:56:27

More MCQS Questions and answers

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  13. he Random errors tend to accumulate proportionally to
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  15. In a constant level tube, size of the bubble remains constant because upper wall is
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  17. In reciprocal levelling, the error which is not completely eliminated, is due to
  18. In tacheometrical observations, vertical staff holding is generally preferred to normal staffing, due to
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  21. Pick up the correct statement from the following :
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  25. Simpson's rule for calculating areas states that the area enclosed by a curvilinear figure divided into an even number of strips of equal width, is equal to
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