A pipe varies uniformly in diameter from 2m to 4m. An incompressible fluid enters the pipe with velocity 16m per sec. What is velocity of fluid when it leaves the pipe???
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0
Answer:
Oil flows in a pipe 80 mm bore diameter with a mean velocity of 0.4 m/s. The density is 890 kg/m3 and the viscosity is 0.075 Ns/m2
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9
Answer:
4m/s
Explanation:
A1v1 = A2v2
A is area and v is speed.
A = πr² = π( d/2)²
=πd²/4
Now,
(πd1²/4 ) v1 = (πd2²/4) v2
d1² v1 = d2² v2
2² (16) / 4² = v2
v2 = 4 m/s
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