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A fluid is in streamline flow across a horizontal pipe of variable area of cross section. For this which of the following statements is correct?
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- The velocity is minimum at the narrowest part of the pipe and the pressure is minimum at the widest part of the pipe
- The velocity is maximum at the narrowest part of the pipe and pressure is maximum at the widest part of the pipe
- Velocity and pressure both are maximum at the narrowest part of the pipe
- Velocity and pressure both are maximum at the widest part of the pipe
- The velocity is minimum at the narrowest part of the pipe and the pressure is minimum at the widest part of the pipe
Correct Option: B
According to Bernoulli’s theorem,
P - | ρ v2 = constant and Av = constant | |
2 |
If A is minimum, v is maximum, P is minimum.