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ISRO ME 2019: Material Science Booster Quiz 2

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Question 1

Which of the following process is used for producing bainite?

Question 2

While operating quenching process, the cracks are developed due to

Question 3

The lattice structure of zinc is __________.

Question 4

Engineering material is mostly ductile in nature. The decreasing order of ductility of basic crystalline structure of engineering material FCC, HCP and BCC

Question 5

Match List-I (Quenching media) with List-II (Structure produced) and select the correct answer using the codes given below the lists:

Question 6

Jominy end-quench test is carried out to determine

Question 7

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 8

Match the List 1 and List 2

List 1 (Name of material)

P) Hypo-eutectoid steel

Q) Hyper-eutectoid steel

R) Hypo – eutectic cast iron

S) Hyper - eutectic cast iron

List 2 (% of carbon range)

1) 4 .3 – 6 .67

2) 2 .0 – 4 .3

3) 0 .8 – 2.0

4) 0 .008 – 0 .8

Correct match is?

Question 9

Which of the following materials when added improves the machining of copper?

Question 10

The structure of Fe3C in iron carbon diagram is
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Apr 23ESE & GATE ME