Mechanical Engineering - Hydraulics and Fluid Mechanics - Discussion


A hemispherical tank of radius (R) has an orifice of cross-sectional area (a) at its bottom and is full of liquid. The time required to empty the tank completely is


Answer: Option C


No answer description available for this question.

Nehal said: (Feb 7, 2017)  
The units for the answer are wrong.

The answer is option D.

Muhammad Waqas said: (Feb 25, 2017)  
@Nehal Units are correct.

Suppose unit of length is m (meter) and unit of time is s (second) then;
Numerator units : m^(5/2).
Denominator units: (m^2)(m^(1/2))(1/s^2)^1/2 = (m^5/2)(1/s).
Numerator/demominator = m^(5/2) / m^(5/2)(1/s) = s.

Bargav said: (Dec 11, 2018)  
Tell me the correct answer please.

Akhileshwar said: (Mar 25, 2020)  
Unit wise option C is the Correct answer.

Ganesh said: (May 1, 2021)  
Please tell me the correct answer.

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