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What is the total time required to make the tank empty ?

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A tank contains 1 litre of water. Water is falling drop wise from the tank. Radius of the drop is 2 mm. If every drop takes 1 sec to fall from the tank.
What is the total time required to make the tank empty ?

posted Jan 2, 2015 by Karan Joglekar

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1 Answer

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1 l= 1000 000 mm3
1 drop volume = 4/3*2^3*pi=33.51 mm3
number of drops= 1000 000/33.51~29841
time to empty the tank = 29841/3600 seconds ~8. 29 hours ~ 8 hours 17 mins

answer Sep 2, 2018 by Hanifa Mammadov

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