Fluid Mechanics Viscosity Question 288

Question: An incompressible liquid flows through a horizontal tube as shown in the figure, Then the velocity V of the fluid is

Options:

A) $ 3.0m/s $

B) $ 1.5m/s $

C) $ 1.0m/s $

D) $ 2.25m/s $

Show Answer

Answer:

Correct Answer: C

Solution:

[c] $ A_{1}v_{1}=A_{2}v_{2}+A_{3}v_{3} $ $ A\times 3=A\times 1.5+1.5A\times v_{3}\Rightarrow v_{3}=1m/s $