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ESE ME: Engineering Materials Champion Quiz 1

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Question 1

Match List-I with List-II and select the correct answer using the codes given below the lists:
List-I
[A]. Elasticity
[B]. Malleability
[C]. Ductility
[D]. Plasticity
List-II
[1]. Deform non elastically without fracture
[2]. Undergo plastic deformation under tensile load
[3]. Undergo plastic deformation under compressive load
[4]. Return to its original shape on unloading

Question 2

Jominy end-quench test is carried out to determine

Question 3

Assertion (A):A cast iron specimen shall fail due to shear when subjected to a compression load.
Reason (R): Shear strength of cast iron in compression is more than half its compressive strength

Question 4

Resilience of a material becomes important when it is subjected to

Question 5

Direction: The following items consists of two statements, one labelled as the Assertion ‘A’ and the other labeled as Reason ‘R’. You are to examine these two statements carefully and select your answers to these items using the codes given below:
Assertion (A): The susceptibility of a ferromagnetic material decreases with an increase in Curie temperature.
Reason (R): A critical temperature at which the alignment of magnetic moments vanishes is called Curie temperature.

Question 6

Direction: The following items consists of two statements, one labelled as the Assertion ‘A’ and the other labeled as Reason ‘R’. You are to examine these two statements carefully and select your answers to these items using the codes given below:
Assertion (A): The Bauschinger effect is observed in tension test of mild steel specimen due to loss of mechanical energy during local yielding.
Reason (R): The Bauschinger effect is a function of section modulus of specimen under test.

Question 7

Direction: The following items consists of two statements, one labelled as the Assertion ‘A’ and the other labeled as Reason ‘R’. You are to examine these two statements carefully and select your answers to these items using the codes given below:
Assertion (A): One of the most commonly used techniques for testing surface integrity of material is metallography.
Reason (R): Surface integrity of a material does not contribute for the mechanical and metallurgical properties.

Question 8

Direction: The following items consists of two statements, one labelled as the Assertion ‘A’ and the other labeled as Reason ‘R’. You are to examine these two statements carefully and select your answers to these items using the codes given below:
Assertion (A): In Addition Polymerization method, polymer is produced by adding a second monomer to the first, then a third monomer to this dimmer and so on.
Reason (R): There must exist at least one double bond in the monomer for Addition Polymerization reaction.

Question 9

Which of the following methods are used for protection against fracture?
[1]. Avoid sharp corners and notches in the part to eliminate points of stress concentration
[2]. Provide better finish to the surface by polishing
[3]. Introduce residual tensile stresses on the surface
Which of these statements are correct?

Question 10

Which of the following factors influence hardness in a plain carbon steel?
[1]. Percentage carbon
[2]. Quenching media
[3]. Work size
Select the correct answer using the code given below:
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