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UPSC Civil Service Exam Questions - Engineering

Q1:

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 :

A 2, 3 and 4

B 1, 3 and 4

C 1 and 3 only

D 2 and 4 only

ANS:C - 1 and 3 only

No answer description is available.