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Home/ Metallurgy MCQs/ Material Science/Material Science Section-2
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Material Science Section-2

61. In compression, a prism of brittle material will break:

by forming a bulge
by shearing along oblique plane
in direction perpendicular to application of load
by crushing into thousand of pieces
Discuss Here


62. Isotropic material are those which have the same:

elastic properties in all direction
stress induced in all direction
thermal properties in all direction
electric and magnetic properties in all direction
Discuss Here


63. The metallic structure of mild steel is:

BCC
HCP
Cubic structure
Orthorhombic
Discuss Here


64. Iron is:

paramagnetic
ferromagnetic
ferrielectric
dielectric
Discuss Here


65. Chilled cast iron has:

no graphite
a very high percentage of graphite
a low percentage of graphite
graphite as it’s basic constituent of composition
Discuss Here


66. Maximum percentage of carbon in ferrite is:

0.025%
0.06%
0.1%
0.25%
Discuss Here


67. The most effective inhibitor, when added in small quantities is:

carbon
vanadium
magnesium
cobalt
Discuss Here


68. A cold chisel is made of:

mild steel
cast iron
HSS
high carbon
Discuss Here


69. Brass is an example of:

substitutional solid solution
interstitial soild solution
intermetallic compound
all of the above
Discuss Here


70. Hardness of lower banite (tempered martensite) is:

RC 65
RC 48
RC 57
RC 80
Discuss Here


71. Connecting rod is usually made of:

aluminium
low carbon steel
medium carbon steel
high carbon steel
Discuss Here


72. Cupola produces following material:

cast iron
pig iron
wrought iron
malleable iron
Discuss Here





[content_block id=1516 slug=material-science]

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