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UPSC Civil Service Exam Questions - Engineering

Q1:

Two pipe systems in series are said to be equivalent when

A the average diameter in both systems is same

B the average friction factor in both systems is same

C the total length of the pipes is same in both the systems

D the discharge under the same head is same in both the systems

ANS:C - the total length of the pipes is same in both the systems

The word "loss" is not mentioned here in the options.

So, option C is also correct.