Viscosity

Q. What is the primary factor that affects the viscosity of a gas?
  • A. Temperature
  • B. Pressure
  • C. Density
  • D. Molecular weight
Q. What is the primary reason for the increase in viscosity of a liquid with molecular weight?
  • A. Increased intermolecular forces
  • B. Decreased temperature
  • C. Increased pressure
  • D. Decreased density
Q. What is the relationship between shear rate and viscosity in a Newtonian fluid?
  • A. Directly proportional
  • B. Inversely proportional
  • C. No relationship
  • D. Exponential relationship
Q. What is the relationship between shear stress and shear rate in a Newtonian fluid?
  • A. Directly proportional
  • B. Inversely proportional
  • C. Exponential
  • D. No relationship
Q. What is the relationship between temperature and viscosity for most liquids?
  • A. Viscosity increases with temperature
  • B. Viscosity decreases with temperature
  • C. Viscosity remains constant
  • D. Viscosity fluctuates randomly
Q. What is the SI unit of dynamic viscosity?
  • A. Pascal-second
  • B. Newton-second
  • C. Kilogram-meter
  • D. Joule-second
Q. What is the SI unit of viscosity?
  • A. Pascal-second
  • B. Newton-second
  • C. Kilogram-meter per second
  • D. Joule-second
Q. What is the term for the measure of a fluid's resistance to flow?
  • A. Density
  • B. Viscosity
  • C. Pressure
  • D. Temperature
Q. What is the term for the resistance of a fluid to flow?
  • A. Density
  • B. Viscosity
  • C. Pressure
  • D. Temperature
Q. What is the viscosity of water at 20°C?
  • A. 0.001 Pa·s
  • B. 0.01 Pa·s
  • C. 0.1 Pa·s
  • D. 1 Pa·s
Q. What type of fluid exhibits a constant viscosity regardless of the shear rate?
  • A. Newtonian fluid
  • B. Non-Newtonian fluid
  • C. Ideal fluid
  • D. Real fluid
Q. What type of fluid has a constant viscosity regardless of the shear rate?
  • A. Newtonian fluid
  • B. Non-Newtonian fluid
  • C. Ideal fluid
  • D. Real fluid
Q. Which equation is used to calculate the viscosity of a fluid in a capillary tube?
  • A. Bernoulli's equation
  • B. Poiseuille's law
  • C. Navier-Stokes equation
  • D. Continuity equation
Q. Which equation is used to calculate the viscosity of a fluid in a pipe?
  • A. Bernoulli's equation
  • B. Poiseuille's law
  • C. Continuity equation
  • D. Navier-Stokes equation
Q. Which equation relates the viscosity of a fluid to the flow rate in a capillary tube?
  • A. Bernoulli's equation
  • B. Poiseuille's law
  • C. Continuity equation
  • D. Ideal gas law
Q. Which of the following equations is used to calculate dynamic viscosity?
  • A. Bernoulli's equation
  • B. Navier-Stokes equation
  • C. Poiseuille's law
  • D. Archimedes' principle
Q. Which of the following equations represents the relationship between shear stress and shear rate in a Newtonian fluid?
  • A. τ = μ(du/dy)
  • B. τ = ρg
  • C. F = ma
  • D. P = F/A
Q. Which of the following factors does NOT affect the viscosity of a fluid?
  • A. Temperature
  • B. Pressure
  • C. Density
  • D. Flow rate
Q. Which of the following fluids has the highest viscosity?
  • A. Water
  • B. Honey
  • C. Air
  • D. Olive oil
Q. Which of the following fluids is likely to have the highest viscosity?
  • A. Water
  • B. Honey
  • C. Air
  • D. Gasoline
Q. Which of the following is a characteristic of a non-Newtonian fluid?
  • A. Constant viscosity
  • B. Viscosity changes with shear rate
  • C. Incompressible
  • D. Always flows in a straight line
Q. Which of the following is a non-Newtonian fluid?
  • A. Water
  • B. Glycerin
  • C. Cornstarch in water
  • D. Mercury
Q. Which of the following is a property of a Newtonian fluid?
  • A. Viscosity changes with shear rate
  • B. Constant viscosity regardless of shear rate
  • C. Non-linear flow behavior
  • D. High compressibility
Q. Which of the following is an example of a non-Newtonian fluid?
  • A. Water
  • B. Air
  • C. Cornstarch in water
  • D. Glycerin
Q. Which of the following statements about viscosity is true?
  • A. Viscosity is a scalar quantity
  • B. Viscosity is a vector quantity
  • C. Viscosity is temperature independent
  • D. Viscosity increases with shear rate
Showing 31 to 55 of 55 (2 Pages)
Soulshift Feedback ×

On a scale of 0–10, how likely are you to recommend The Soulshift Academy?

Not likely Very likely