Exercise: Engineering Materials

Questions for: Engineering Materials

In corrosion resistant properties, bronzes are __________ to brasses.
A:
superior
B:
inferior
C:
D:
Answer: A
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Duplex process of steel making is a combination of
A:
basic bessemer and acid open hearth processes
B:
acid bessemer and basic open hearth processes
C:
acid bessemer and acid open hearth processes
D:
basic bessemer and basic open hearth processes
Answer: B
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The malleability is the property of a material by virtue of which a material
A:
regains its shape and size after the removal of external forces
B:
retains the deformation produced under load permanently
C:
can be drawn into wires with the application of a tensile force
D:
can be rolled or hammered into thin sheets
Answer: D
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In acidic bessemer process, the furnace is lined with
A:
silica bricks
B:
a mixture of tar and burnt dolomite bricks
C:
either (a) or (b)
D:
none of these
Answer: A
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Silicon bronze contains
A:
60% copper, 35% zinc and 5% manganese
B:
88% copper, 10% tin and 2% zinc
C:
96% copper, 3% silicon and 1% manganese
D:
76% copper, 20% silicon and 4% zinc
Answer: C
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