Civil Engineering - UPSC Civil Service Exam Questions - Discussion

10. 

Two small orifices A and B of diameters 1 cm and 2 cm, respectively, are placed on the sides of a tank at depths of h1 and h2 below the open liquid surface. If the discharges through A and B are equal, then the ratio of h1 and h2 (assuming equal Cd values) will be

[A]. 16 : 1
[B]. 8 : 1
[C]. 4 : 1
[D]. 2 : 1

Answer: Option A

Explanation:

No answer description available for this question.

Umesh H A said: (Sep 5, 2018)  
Since discharge remains constant.

Q1 = Q2,
A1 v1 = A2 V2,
Substitute the equation.
A1/A2 = (√h2/√h1).

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