Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 16 (Q.No. 49)
49.
Which of the following instruments have both horizon glass and index glass ?
1. Optical square
2. Line ranger
3. Box sextant
4. Pedometer
Select the correct answer using the code given below :
2, 3 and 4
1, 3 and 4
1 and 3 only
2 and 4 only
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
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