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Problems on Pipes & Cisterns Video Lecture | General Test Preparation for CUET

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FAQs on Problems on Pipes & Cisterns Video Lecture - General Test Preparation for CUET

1. What is the formula to calculate the time taken to fill a tank using multiple pipes?
Ans. The formula to calculate the time taken to fill a tank using multiple pipes is: Time = Volume of the tank / (Sum of the individual rates of the pipes)
2. How do I calculate the individual rates of the pipes when given their efficiency?
Ans. To calculate the individual rates of the pipes, divide the total efficiency by the number of pipes. For example, if there are 3 pipes with a total efficiency of 60 units, each pipe's rate would be 60/3 = 20 units.
3. Can pipes be used to empty a tank as well?
Ans. Yes, pipes can be used to empty a tank. Instead of considering the rate as a positive value, it would be considered negative to indicate the outflow of water from the tank.
4. If two pipes can fill a tank in 4 hours and 6 hours respectively, how long would it take both pipes to fill the tank together?
Ans. To find the time taken by two pipes to fill the tank together, we use the formula: Time = (Product of the individual times) / (Sum of the individual times) In this case, the time taken by the first pipe is 4 hours and the time taken by the second pipe is 6 hours. Plugging these values into the formula, we get: Time = (4 * 6) / (4 + 6) = 24 / 10 = 2.4 hours Therefore, it would take both pipes 2.4 hours to fill the tank together.
5. How can I determine the time taken to empty a tank when given the efficiency of an outlet pipe?
Ans. To determine the time taken to empty a tank when given the efficiency of an outlet pipe, divide the volume of the tank by the efficiency of the outlet pipe. This will give you the time taken to completely empty the tank.
159 videos|341 docs|385 tests
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