For each of the questions below, choose the correct answer.

NameEmail

1) Stress at a point is a vector

True

False

2) In three dimensions stress has nine components.

True

False

3) In three dimensions stress has six independent components.

True

False

4) At a point in plane stress there are three independent stress components.

True

False

5) At a point in plane stress there are always four zero stress components.

True

False

6) If the shear stress on the left surface of an imaginary cut is upward and defined as positive, then on the right surface of the imaginary cut it is downward and negative.

True

False

7) A stress element can be drawn to any scale.

True

False

8) A stress element can be drawn at any orientation.

True

False

9) Stress components are opposite in direction on the two surfaces of an imaginary cut.

True

False

10) Stress components have opposite signs on the two surfaces of an imaginary cut.

True

False

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