Viscosity -Multiple Choice Questions Quiz

Interactive MCQs on “Viscosity”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What is viscosity?

(a) The measure of an object's resistance to flow
(b) The measure of an object's mass
(c) The measure of an object's volume
(d) The measure of an object's density

Question 2: Which of the following fluids is likely to have a higher viscosity?

(a) Water
(b) Honey
(c) Gasoline
(d) Alcohol

Question 3: What unit is commonly used to measure viscosity?

(a) Newton per meter squared (N/m²)
(b) Joule per kilogram (J/kg)
(c) Pascal-second (Pa·s)
(d) Meter per second (m/s)

Question 4: Which type of flow exhibits a constant viscosity, regardless of the shear rate?

(a) Newtonian flow
(b) Non-Newtonian flow
(c) Laminar flow
(d) Turbulent flow

Question 5: What is the viscosity of an ideal Newtonian fluid?

(a) Zero
(b) Infinite
(c) Constant
(d) Changing with time

Question 6: What is the viscosity of gases compared to liquids?

(a) Gases have higher viscosity than liquids.
(b) Gases have lower viscosity than liquids.
(c) Gases and liquids have the same viscosity.
(d) Viscosity of gases and liquids cannot be compared.

Question 7: Which of the following factors can affect the viscosity of a liquid?

(a) Pressure and temperature
(b) Color and texture
(c) Volume and mass
(d) Shape and density

Question 8: What type of flow is characterized by smooth, parallel layers of fluid moving in the same direction?

(a) Laminar flow
(b) Turbulent flow
(c) Non-Newtonian flow
(d) Viscous flow

Question 9: Which of the following substances would be expected to have the highest viscosity at room temperature?

(a) Water
(b) Alcohol
(c) Olive oil
(d) Mercury

Question 10: What does the Reynolds number indicate in fluid dynamics?

(a) The density of the fluid
(b) The viscosity of the fluid
(c) The type of flow (laminar or turbulent)
(d) The volume of the fluid