Course

Ecology

Study Pack

Set 6 Life In A Fluid Medium

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Question 1

(Multiple Choice)

Free
The Reynolds number increases when

A) Water velocity decreases
B) Size of the object increases
C) Water velocity increases
D) Both b and c

Answer

Question 2

(Multiple Choice)

Free
Which of the following is true?

A) Dynamic viscosity of air is greater than water
B) Dynamic viscosity increases with increasing temperature
C) Dynamic viscosity increases as the size of a particle in a fluid decreases
D) None of the above

Answer

Question 3

(Multiple Choice)

Free
A bacterium likely lives

A) Under high Reynolds number conditions
B) Dominated by inertia
C) Dominated by viscosity
D) Under conditions only of very low dynamic viscosity

Answer