Properties of Matter

Q. What is the relationship between shear modulus and Young's modulus for isotropic materials?
  • A. G = E/2(1 + ν)
  • B. G = E(1 + ν)/2
  • C. G = E/3
  • D. G = 2E
Q. What is the relationship between shear modulus and Young's modulus?
  • A. They are equal
  • B. Shear modulus is always greater
  • C. Shear modulus is less than Young's modulus
  • D. They are inversely proportional
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 shear stress and shear strain in a material?
  • A. Shear modulus
  • B. Bulk modulus
  • C. Young's modulus
  • D. Poisson's ratio
Q. What is the relationship between stress and strain in the elastic limit of a material?
  • A. Directly proportional
  • B. Inversely proportional
  • C. Exponential
  • D. Logarithmic
Q. What is the relationship between stress and strain in the elastic region of a material?
  • A. Stress is directly proportional to strain
  • B. Stress is inversely proportional to strain
  • C. Stress is independent of strain
  • D. Stress is proportional to the square of strain
Q. What is the relationship between surface tension and temperature for most liquids?
  • A. Directly proportional
  • B. Inversely proportional
  • C. No relationship
  • D. Exponential
Q. What is the relationship between surface tension and the shape of a liquid droplet?
  • A. Droplets are always flat
  • B. Droplets are spherical
  • C. Droplets can be any shape
  • D. Droplets are cubic
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 relationship between temperature and viscosity in liquids?
  • A. Directly proportional
  • B. Inversely proportional
  • C. No relationship
  • D. Exponential
Q. What is the shape of a liquid droplet on a surface due to surface tension?
  • A. Flat
  • B. Cylindrical
  • C. Spherical
  • D. Cubical
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 pressure?
  • A. Pascal
  • B. Newton
  • C. Joule
  • D. Bar
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 ability of a fluid to flow?
  • A. Fluidity
  • B. Viscosity
  • C. Density
  • D. Pressure
Q. What is the term for the change in pressure with depth in a fluid?
  • A. Hydrostatic pressure
  • B. Dynamic pressure
  • C. Static pressure
  • D. Total pressure
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 pressure exerted by a fluid at rest?
  • A. Dynamic pressure
  • B. Static pressure
  • C. Hydrostatic pressure
  • D. Atmospheric pressure
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 term for the upward force exerted by a fluid on an object submerged in it?
  • A. Buoyancy
  • B. Weight
  • C. Pressure
  • D. Density
Q. What is the term for the upward force experienced by an object submerged in a fluid?
  • A. Buoyancy
  • B. Weight
  • C. Pressure
  • D. Density
Q. What is the unit of surface tension in the SI system?
  • A. N/m
  • B. J/m²
  • C. Pa
  • D. kg/m³
Q. What is the unit of surface tension?
  • A. N/m
  • B. J/m²
  • C. Pa
  • D. N
Q. What is the unit of Young's modulus?
  • A. N/m²
  • B. Pa
  • C. J/m³
  • D. N/m
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. When a surfactant is added to water, what happens to the surface tension?
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Becomes zero
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
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