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Engineering Materials

Engineering Materials
Manganese in steel increases its

Tensile strength
Fluidity
Hardness
Ductility

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Engineering Materials
The toughness of a material __________ when it is heated.

Remain same
Decreases
Increases
None of these

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Engineering Materials
Muntz metal contains copper and zinc in the ratio of

0.88888888888889
40 : 60
2.1180555555556
2.5277777777778

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Engineering Materials
Which is false statement about normalizing? Normalizing is done to

Induce stresses
Refine grain structure
Improve mechanical properties
Reduce segregation in casting

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Engineering Materials
The steel widely used for motor car crankshafts is

Chrome steel
Nickel steel
Silicon steel
Nickel-chrome steel

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Engineering Materials
Dislocations in materials refer to the following type of defect

Point defect
Line defect
Plane defect
Volumetric defect

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MORE MCQ ON Engineering Materials

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