Viscosity MCQ Quiz - Multiple Choice Questions & Answers Page 3

21. The viscous force the relative motion between the adjacent layers of a fluid in motion. Which one of the flowing fits best in the sentence?

1. opposes
2. never affects
3. facilitates
4. may effect under certain conditions

22. What is the correct definition of a pseudoplastic liquid?

1. A liquid which becomes less viscous as the rate of shear increases
2. A liquid which becomes more viscous as the rate of shear increases
3. A liquid which becomes less viscous over time when a constant shear stress is applied
4. A liquid which becomes more viscous over time when a constant shear stress is applied

23. What is the correct definition of solubility?

1. The ability of solid particles to disperse throughout a liquid continuous phase
2. The ability of a solute to dissolve into a solvent
3. The rate at which a solute dissolves into a solvent
4. The ability of immiscible liquid droplets to disperse within a second liquid phase

24. Which of the following correctly states how the viscosities of a liquid and a gas will change with temperature?

1. Viscosity increases with the increase in temperature of a liquid and decreases with the increase in temperature of a gas
2. Viscosity increases with the increase in temperature of a liquid and increases with the increase in temperature of a gas
3. Viscosity decreases with the increase in temperature of a liquid and decreases with the increase in temperature of a gas
4. Viscosity decreases with the increase in temperature of a liquid and increases with the increase in temperature of a gas

25. Which property measures the resistance of a liquid to flow?

1. Density
2. Viscosity
3. Volume
4. Solubilit