11. Which of the following is not a non-Newtonian fluid?
a) Water
b) Blood
c) Ketchup
d) Toothpaste
Answer: a) Water
12. The viscosity of a fluid is measured in terms of ________.
a) density
b) temperature
c) pressure
d) time
Answer: d) time
13. The kinematic viscosity is defined as the ratio of ________ to ________.
a) density, surface area
b) volume, time
c) temperature, pressure
d) length, mass
Answer: b) volume, time
14. Which fluid has a higher kinematic viscosity: water or air?
a) Water
b) Air
Answer: a) Water
15. The dynamic viscosity is defined as the ratio of ________ to ________.
a) density, surface area
b) volume, time
c) temperature, pressure
d) force, velocity gradient
Answer: d) force, velocity gradient
