Oil is flowing in a pipe of 30 cm diameter with a velocity of 2 m/s. A – McqOptions

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1.	Oil is flowing in a pipe of 30 cm diameter with a velocity of 2 m/s. At another section of the pipe, the diameter is 20 cm. What will be the velocity of flow at that section?
A.	3 m/s
B.	7.5 m/s
C.	4.5 m/s
D.	6 m/s
Answer» D. 6 m/s

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