Flashcard for CEM

Front

Which one is a dimensionless quantity? Stress, Modulus of Elasticity, Strain, Modulus of Rigidity

Back

Strain

Front

Hooke’s law is valid: Only in elastic region

Back

Only in elastic region

Front

What's the correct relation for stress and strain?

Back

Stress = Modulus of elasticity x strain

Front

Which property of material is measured from the slope of the stress–strain curve in elastic region?

Back

Modulus of Elasticity

Front

A 2 m steel rod elongates by 2 mm. The strain is:

Back

0.001

Front

A force of 50 kN acts on a cross-sectional area of 10 mm². What is the stress?

Back

5000 MPa

Front

A bar of length 1 m and area 100 mm² elongates 1 mm under a tensile load of 10 kN. What is the value of Young's Modulus?

Back

100 GPa