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ESE 2021 ME Technical Quiz || Crystal Structure and Properties of Engineering Materials

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Question 1

Planar density of (100) plane of FCC structure is (a= side of plane)

Question 2

Lead is having FCC structure with interatomic distance of 4.599 Ȧ. Find the area of the given plane.(in mm2)

Question 3

Brinell hardness test is widely used for testing the hardness of engineering material however it make certain identaion which damage the material but still it used widely . Brinell Hardness number for load P, diamond ball diameter D mm and indentation diameter d mm is given as

Question 4

Which of the following is a type of dislocations?

Question 5

For iron carbon diagram, the Gibbs phase rule is given by
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May 23ESE & GATE ME