Quiz on Elasticity and Viscoelasticity

What is the law that describes the mechanical response of an ideal elastic material?

• Bernoulli's Principle

• Pascal's Law

• Hooke's Law

• Newton's Law

What is the dominant characteristic of fluids?

• Pressure

• Elasticity

• Viscosity

• Density

What happens to the strain in a viscoelastic material when constant stress is applied?

• It fluctuates randomly

• It decreases immediately

• It remains constant

• It increases with time

What is creep in the context of viscoelastic materials?

• Deformation that occurs only under cyclic loading

• Deformation that occurs only at high temperatures

• Progressive deformation under constant stress

• Instantaneous deformation

What occurs during stress relaxation in viscoelastic materials?

• Stress decreases with time

• Strain increases with time

• Stress remains constant

• Strain decreases immediately

What does hysteresis in viscoelastic materials indicate?

• Energy loss as heat

• Instantaneous recovery

• Constant stress application

• No energy loss

Which model represents a purely viscous dashpot and a purely elastic spring connected in series?

• Weichert Model

• Standard Linear Solid Model

• Maxwell Model

• Voigt Model

What does the Voigt-Kelvin model explain?

• Elastic properties of fluids

• Creep behavior of metals

• Stress relaxation behaviors of polymers

• Instantaneous deformation of solids

What is tensile strength?

• Resistance to compression

• Resistance to stretching

• Resistance to bending

• Resistance to impact

What does the toughness of a material measure?

• Resistance to stretching

• Resistance to heat

• Resistance to breaking

• Resistance to surface indentation