Mechanical Properties of Food

Which force causes a food material to become compact when pressed?

• Tension

• Shear

• Compression

• Elasticity

What does the stress-strain curve’s elastic region indicate?

• Permanent deformation

• Temporary deformation

• Fracture point

• Cohesiveness

Which property measures a food’s resistance to deformation?

• Viscosity

• Firmness

• Yield stress

• Cohesiveness

Which instrument measures indentation depth in food?

• Viscometer

• Texture Analyzer

• Penetrometer

• Rheometer

Which term describes the sliding force within a food material?

• Compression

• Shear

• Tension

• Fracture

Which property is crucial for the spreadability of butter?

• Elasticity

• Firmness

• Shear

• Cohesiveness

What does thixotropy in food rheology refer to?

• Increase in viscosity over time

• Decrease in viscosity over time

• Constant viscosity

• Elasticity

Which property influences the chewiness of meat?

• Firmness

• Elasticity

• Cohesiveness

• Yield stress

Which type of stress involves stretching food?

• Compressive

• Shear

• Tensile

• Yield

Which property determines the snap quality of chocolate?

• Viscosity

• Firmness

• Elasticity

• Fracture point