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GATE ME 2018 Exam: Engineering Material Quiz 1

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Question 1

A 5mm diameter aluminum alloy test bar is subjected to a load of 500 N. If the diameter of the bar at this load is 4 mm, the true strain is

Question 2

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

Question 3

The point U in Stress Strain Curve shown represents:

Question 4

The capacity of a material to absorb energy when deformed elastically and then to have this energy recovered upon unloading is called

Question 5

In the stress strain graph, which portion shows necking of material?

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Jun 1ESE & GATE ME