Abdullah Gül University, Civil Engineering Department
CE 371 HYDROMECHANICS
Quiz 1
Duration: 20 Minutes
1.Blue and yellow streams of paint each with a density of ρ = 850 kg/m3, enter a pipe with an
average velocity of 1.2 m/s as shown in figure. Would you expect the paint to exit the pipe
system as green paint or separate streams of blue and yellow paint?
a) If the viscosity, μ = 1 Pa.s.
b) if the paint were “thinned” so that μ = 0.01 Pa.s.
yellow
Green?
D=5 cm
splitter
blue
75 m