Stress-strain curve Quiz

If in a stress-strain curve of a material, the ultimate tensile strength point and the fracture points are very close, the material is said to be:

• Soft

• Hard

• Brittle

• Ductile

Longitudinal strain can be produced

• only in solids

• only in liquids

• only in gases

• both in liquids and gases

What does it mean, if the stress-strain curve is linear for a material?

• None of the above is correct

• The material follows deformation law

• The material follows Pressure law

• The material follows Hooke's Law

In a typical stress-strain curve for a metal wire, the point till where the body still returns to its original dimension when the load is removed is known as __________.

• Elastic Limit point

• Fracture point

• Plastic point

• Deformation point

What is the point on a stress-strain curve that indicates the limit of elastic behavior and the beginning of plastic behavior?

• Breaking point

• Plastic point

• Elongation point

• Proportional limit point

If two wires made of materials A and B have stress-strain curves as shown, which material will be much stronger?

• Material A will be much stronger compared to B

• Material B will be much stronger compared to A

• Both material A and B will be of equal strength

• None of the above

What does the yield point represent in a stress-strain curve?

• Point where the material breaks

• Point where the material starts to deform plastically

• Point where the material reaches maximum strength

• Point where the material returns to its original shape

Which point on a stress-strain curve indicates the maximum stress a material can withstand?

• Yield point

• Ultimate strength point

• Fracture point

• Proportional limit point

What happens to a material at the fracture point on a stress-strain curve?

• The material starts to deform plastically

• The material reaches maximum strength

• The material breaks

• The material returns to its original shape

When two materials have stress-strain curves with different slopes, which material is considered more ductile?

• The material with the steeper slope

• The material with the shallower slope

• Both materials have equal ductility

• None of the above