Classification of Materials - Classification and Structure of Materials - Engineering Sciences Previous Year Questions

1

2008 · Engineering Sciences · Classification and Structure of Materials · Classification of Materials

Engineering Sciences (XE) 2008

When the particle size decreases, the surface-to-volume ratio

A

increases

B

decreases

C

remains constant

D

is material-dependent

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2

2009 · Engineering Sciences · Classification and Structure of Materials · Classification of Materials

Engineering Sciences (XE) 2009

Match the following materials given in Column I with their applications given in Column II.

Column I
P. Silicon carbide fibre
Q. Polyester fibre
R. Thoria doped tungsten
S. Nichrome

Column II
1. Fibre glass boat
2. Heating element
3. Magnetic material
4. Electric bulb filament
5. Armour material

A

P-5, Q-1, R-3, S-2

B

P-1, Q-5, R-4, S-2

C

P-5, Q-3, R-2, S-1

D

P-5, Q-1, R-4, S-2

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3

2010 · Engineering Sciences · Classification and Structure of Materials · Classification of Materials

Engineering Sciences (XE) 2010

Match the statement given in Column I with the most suitable material given in Column II

A

P. biocompatible ceramic material, Q. magnetic material with very high B-H product, R. nonstick coating on aluminum, S. sacrificial coating on steel

B

1. zinc, 2. titanium, 3. Nd₂Fe₁₄B, 4. Ca₁₀(PO₄)₆(OH)₂, 5. BaFe₁₂O₁₉, 6. polytetrafluoroethylene, 7. polyethylene terephthalate

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4

2010 · Engineering Sciences · Classification and Structure of Materials · Classification of Materials

Engineering Sciences (XE) 2010

The volume fraction of epoxy resin in a glass fibre/epoxy composite is 0.48. The densities of glass fibre and composite are 2540 kg/m³ and 1950 kg/m³, respectively. The weight fraction of the fibre in the composite is

A

0.68

B

0.52

C

0.48

D

0.32

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5

2011 · Engineering Sciences · Classification and Structure of Materials · Classification of Materials

Engineering Sciences (XE) 2011

Which one of the following is NOT a ceramic?

A

SiC

B

MgO

C

TiB₂

D

TiAl

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6

2011 · Engineering Sciences · Classification and Structure of Materials · Classification of Materials

Engineering Sciences (XE) 2011

Match the materials in Column-I with the descriptions in Column-II.

Column-I	Column-II
P. Zirconia	1. Ultra-hard material
Q. Cubic boron nitride	2. High temperature superconductor
R. Hafnium carbide	3. Transformation toughening
S. Yttrium aluminium garnet	4. Ultra-high temperature material
	5. Host material for laser
	6. Micro-crack toughening

A

P-3, Q-4, R-1, S-2

B

P-6, Q-1, R-4, S-2

C

P-3, Q-1, R-4, S-5

D

P-4, Q-6, R-1, S-5

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7

2013 · Engineering Sciences · Classification and Structure of Materials · Classification of Materials

Engineering Sciences (XE) 2013

Match the conventional ceramic materials listed in Column I with their respective common applications in Column II

A

P-1, Q-2, R-3, S-5

B

P-3, Q-2, R-1, S-5

C

P-2, Q-1, R-5, S-3

D

P-3, Q-4, R-1, S-2

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8

2014 · Engineering Sciences · Classification and Structure of Materials · Classification of Materials

Engineering Sciences (XE) 2014

Match the material in Column I with the property in Column II

A

P-1, Q-2, R-3, S-4

B

P-2, Q-3, R-4, S-1

C

P-4, Q-1, R-2, S-3

D

P-2, Q-4, R-4, S-3

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9

2015 · Engineering Sciences · Classification and Structure of Materials · Classification of Materials

Engineering Sciences (XE) 2015

Match the technical ceramics listed in Column I with their common applications listed in Column II

A

P-6, Q-4, R-5, S-1, T-3

B

P-4, Q-5, R-2, S-3, T-1

C

P-3, Q-1, R-2, S-6, T-5

D

P-1, Q-4, R-5, S-2, T-1

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10

2022 · Engineering Sciences · Classification and Structure of Materials · Classification of Materials

Engineering Sciences (XE) 2022

Match the following materials with their corresponding bonding types.

A

P - 4; Q - 2; R - 3; S - 1

B

P - 3; Q - 4; R - 2; S - 1

C

P - 3; Q - 2; R - 1; S - 4

D

P - 3; Q - 1; R - 4; S - 2

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