GATE MN · 2021 · MN
Question 39: Mine Surveying
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Question 39
MNNAT2 marksNeeds review
For a dumpy level, the bubble tube has sensitivity of 40″ for one division. While taking a staff reading at a distance of 60 m, the bubble is out of centre by 2 divisions. The error in staff reading in mm is ______. [round off to one decimal place]
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2021MN
GATE MN 2021 · Paper 1
Mining Engineering · Original paper archive
- Section
- Mining Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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