UPSC Civil Service Exam Questions - Civil Engineering Questions and Answers

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Discussion :: UPSC Civil Service Exam Questions

Which of the following rules are used in choosing the repeating variables in dimensional analysis :
1. Repeating variables should include the dependent variables
2. Repeating variables should contain all primary units used in describing the variables in the problem
3. Repeating variables should combine among themselves.
4. Repeating variables should not contain the dependent variables.
Select the correct answer using the codes given below :

1 and 2

2 and 3

2 and 4

3 and 4

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