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Engineering Materials

Engineering Materials
Manganese in steel increases its

Fluidity
Hardness
Ductility
Tensile strength

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Engineering Materials
Preheating is essential in welding

High speed steel
All nonferrous materials
Cast iron
All of these

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Engineering Materials
The ability of a material to resist softening at high temperature is known as

Hot tempering
Fatigue
Hot hardness
Creep

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Engineering Materials
The hardness of steel increases if it contains

Martensite
Austenite
Cementite
Pearlite

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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
Isotropic materials are those which have the same

Electric and magnetic properties in all directions
Thermal properties in all directions
Elastic properties in all directions
Stresses induced in all directions

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MORE MCQ ON Engineering Materials

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