Question: Oil ( density = 9 0 0 kg / m 3 ) flows through a horizontal pipe at 2 . 0 m / s at

Oil (density =900 kg/m3) flows through a horizontal pipe at 2.0 m/s at a pressure of 55 kPa. If the pipe is reduced to half its original area, the pressure in the reduced region is
65 kPa.
60 kPa.
55 kPa.
50 kPa.

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