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24 Aug 2011, 09:47
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I have a query on the basic concept used in Cistern problems-->
Suppose x fills a tank in 'a' mins. Y fills the tank in 'b' mins. And Z empties it in 'c' mins.
Now the net work done in 1 min when all the pipes are together : (1/a+1/b) - 1/c
And time to Fill/Empty the tank = 1/ net work done in 1 min.
Now, the time (to Fill/Empty) is for the COMPLETE tank assuming that when the inlets where opened the tank was empty.. right??
what if we have a problem in which tank is -
1) completely full, and then the 3 inlets (as mentioned above) are open.
2) Or the tank is 1/3 rd full
I think in case 2), we can find the time to empty the complete tank. and then as 1/3 is already full we can find the time required to empty the remaining 2/3 = 2/3 x Time to empty complete tank.
Is this correct?
and what in case1)??
Please help !!!!
Suppose x fills a tank in 'a' mins. Y fills the tank in 'b' mins. And Z empties it in 'c' mins.
Now the net work done in 1 min when all the pipes are together : (1/a+1/b) - 1/c
And time to Fill/Empty the tank = 1/ net work done in 1 min.
Now, the time (to Fill/Empty) is for the COMPLETE tank assuming that when the inlets where opened the tank was empty.. right??
what if we have a problem in which tank is -
1) completely full, and then the 3 inlets (as mentioned above) are open.
2) Or the tank is 1/3 rd full
I think in case 2), we can find the time to empty the complete tank. and then as 1/3 is already full we can find the time required to empty the remaining 2/3 = 2/3 x Time to empty complete tank.
Is this correct?
and what in case1)??
Please help !!!!
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
Still interested in this question? Check out the "Best Topics" block below for a better discussion on this exact question, as well as several more related questions.
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25 Aug 2011, 02:59
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30 views and no reply yet!!
cmon ppl share your views on this.
cmon ppl share your views on this.
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
