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Physics Chemistry

Engineering :: Fluid Mechanics and Hydraulic Machines

  The velocity in a 2 cm-diameter pipe is 20 m/s. If the pipe enlarges to 5 cm diameter velocity, in m/s, will be
[A]. 8[B]. 6.4
[C]. 5.2[D]. 4.8
[E]. 3.2    

Answer: Option E
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