Pipes and Cisterns Formulas, Shortcut Tricks

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Pipes and Cisterns Important Questions - Page 3
Pipes and Cisterns Video Tutorials - Page 4

Pipes and Cisterns Formulas

BASIC CONDITION AND FORMULAS FOR PIPES And CISTERNS

• Inlet : A pipe connected with a tank or a cistern or a reservoir, that fills it, is known as an inlet.
  Outlet: A pipe connected with a tank or cistern or reservoir, emptying it, is known as an outlet.
• If a pipe can fill a tank in x hours, then: part fill in 1 hour =
• If a pipe can empty a tank in y hours, then: part emptied in 1 hour =
• If a pipe can fill a tank in x hours and another pipe can empty the full tank in y hours (where y > x), then on opening both the pipes, then the net part filled in 1 hour =
• If a pipe can fill a tank in x hours and another pipe can empty the full tank in y hours (where y > x), then on opening both the pipes, then the net part emptied in 1 hour = (1 - 1 )
• Time for filling , (Filling pipe is bigger in size.) , F =
• Time for emptying , (emptying pipe is bigger in size.) , E =
• Pipes 'A' & 'B' can fill a tank in f1hrs & f2hrs respectively.Another pipe 'C' can empty the full tank in 'e'hrs.If the three pipes are opened simultaneously then the tank is filled in. F =
• Two taps 'A' & 'B' can fill a tank in 't1' & 't2' hrs respectively.Another pipe 'C' can empty the full tank in 'e'hrs.If the tank is full & all the three pipes are opened simultaneously . Then the tank will be emptied in, E =
• Capacity of the tank is , F =