A pipe can empty a tank in 40 min. If diameter of another emptying pipe is double that of this pipe, in how much time the pipe together empty the tank?
Answers
Answered by
1
Answer:
Step-by-step explanation:
Flow rate = area x velocity m3/s
Time emptying the tank is proprotional to area of pipe
Area of pipe = π/4 d2
Dia of pipe is increased by 2 times
Area will be square of dia means 4 times the previous dia
So time taken to emptying the tank will be 40/4 = 10 minutes
Similar questions