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GATE Prev Year : Engineering Materials Test-2
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Question 1
In a Brinell hardness test, a 1500 kg load is pressed into a specimen using a 10 mm diameter hardened steel ball. The resulting indentation has a diameter = 3.2 mm. What will be the BHN for the metal?
Question 2
From the lists given below, choose the most appropriate set of heat treatment process and the corresponding process characteristics ______.
Question 3
Which types of stress strain relationship best describes the behaviour of brittle materials as ceramics and thermosetting plastics?
Question 4
The crystal structure of austenite is ________.
Question 5
The atomic packing factor for a material with body centered cubic structure is
Question 6
A thin mild steel wire is loaded by adding loads in equal increments till it breaks. The extensions noted with increasing loads will behave as under:
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