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GATE ME: Engineering Materials Champion Quiz 2

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Question 1

If stress values is measured during the tensile test, then which of the following have higher actual value than initial value?

Question 2

Addition of copper to aluminium results in __________.

Question 3

Stress-strain curves are an important graphical measure of material’s mechanical properties. It is seen that strain energy increases quadratically with the stress or strain; i.e. that as the strain increases the energy stored by a given increment of additional strain grows as the square of the strain.

In the Stress Strain Curve as shown, point U is known as:

Question 4

Hook’s law of proportionality in the diagram can be explained between point:

Question 5

Which types of stress strain relationship best describes the behaviour of brittle materials as ceramics and thermosetting plastics?

Question 6

Elasticity of various materials is controlled by its

Question 7

If a particular Fe–C alloy contains less than 0.83% carbon, it is called

Question 8

A steel bar of 40 mm × 40 mm square cross-section is subjected to an axial compressive load of 200 kN. If the length of the bar is 2m and E = 200 GPa, the elongation of the bar will be:

Question 9

Which of the following has maximum hardness

Question 10

Engineering strain of a mild steel sample is recorded as 0.100%. The true strain is _________.

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ESE & GATE ME Engineering Materials

Feb 5ESE & GATE ME