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Water flows through a pipe 25 mm in diameter at a velocity of 6 m s. Determine whether the flow is laminar or turbulent.

Water flows through a pipe 25 mm in diameter at a velocity of 6 m s. Determine whether the flow is laminar or turbulent. Assume that the dynamic viscosity of water is 1.30 x 10-3 kg m s and its density is 1000 kg m. If oil of specific gravity 0.9 and dynamic viscosity 9.6 x 102 kg m s is pumped through the same pipe, what type of flow will occur?

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