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Engineering Materials

Engineering Materials
Manganese in steel increases its

Tensile strength
Fluidity
Hardness
Ductility

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Engineering Materials
Permalloy is a

Kind of stainless steel
None ferrous alloy
Polymer
Nickel and iron alloy having high permeability

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Engineering Materials
Balls for ball bearings are made of

Mild steel
Stainless steel
Cast iron
Carbon-chrome steel

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Engineering Materials
Which of the following steel making process is being adopted at Rourkela (in India) Steel Plant?

Bessemer process
Electric process
Open hearth process
LD process

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Engineering Materials
In grey cast iron, carbon is present in the form of

Flakes
Cementite
Spheroids
Free carbon

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Engineering Materials
A material is said to be allotropic, if it has

Fixed structure at all temperatures
Different crystal structures at different temperatures
Any one of the above
Atoms distributed in random pattern

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MORE MCQ ON Engineering Materials

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