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ESE ME: Engineering Materials Champion Quiz 4

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Question 1

Isothermal annealing is mainly used in alloy steels to improve____.

Question 2

The behavior of metals in which strength of a metal is increased and the ductility is decreased on heating at a relatively low temperature after cold working is known as

Question 3

Tempering is a process of annealing ________.

Question 4

Assertion (A):Heating the steel specimen in the furnace up to austenitze temperature followed by furnace cooling is termed annealing.
Reason (R): Annealed steel specimen possesses fine pearlitic structure

Question 5

Cast iron possessing which one of the following metallographic structures is best suited for damping capacity in engineering applications?

Question 6

Which one of the following is the correct ascending order of packing density for the given crystal structures of metals?

Question 7

Assertion (A): Elements are classified into metals and nonmetals on the basis of their atomic weights.
Reason (R): The valence electron structures contribute to the primary bonding between the atoms to form aggregates.

Question 8

For the crystal class, which one of the following statements is correct?

Question 9

Which one of the following crystal systems is valid for gold?

Question 10

Which one of the following is correct?
Babbitts are used for

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ESE & GATE ME Engineering Materials

Aug 11ESE & GATE ME