Manufacturing - 11

The Offset yield strength point is shown as ___________________

• A

• B

• C

• D

Which of the two curves will have the same shape?

• Load-elongation and engineering stress-strain

• Load-elongation and true stress-strain

• Engineering stress-strain and true stress-strain

• Uniaxial tension and uniaxial torsion

Which of the following is the strength parameter of any material?

• Percentage elongation

• Reduction in area

• Yield stress

• Necking area

The highest strain value is obtained at ___________

• true elastic limit

• propositional limit

• yield point

• elastic limit

Which of the following parameter is used as designing material of components?

• Proof stress

• Propositional limit

• True elastic limit

• Elastic limit

Which of the following material does not have a linear portion in the stress-strain curve?

• Steel

• Magnesium

• Grey cast iron

• Aluminum

Which is the most important property used in the rolling process?

• Toughness

• Hardness

• Resilience

• Ductility

The young modulus of the material is decided by the __________

• the shape of the specimen

• size of the sample

• binding force between the atoms in the sample

• it does not depend on one factor

The necessary property for the structural material is _________

• high resilience

• high toughness

• low ductility

• low stiffness

Which of the following has the highest toughness?

• High-carbon spring steel

• Medium carbon spring steel

• Stainless steel

• Cast iron