Question

The side view of a pipe is shown. The pipe diameter increases and then remains constant....

The side view of a pipe is shown. The pipe diameter increases and then remains constant. Pi is the pressure, and vi is the speed of a non-viscous incompressible fluid, at locations i = 1,2,3.


http://imageshack.com/a/img911/7807/PYKeD9.gif

1. Greater than, Less than, or Equal to   P1 is .... P2.

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Answer #1

from the Bernoulli's equation,

P1+1/2*rho*v1^2+rho*g*h1=P2+1/2*rho*v2^2+rho*g*h2

here,

at point1 and point2

h1=h2

==>

P1+1/2*rho*v1^2=P2+1/2*rho*v2^2


here,

v1 is greater than v2

hence,

P1 is less than P2

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