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Engineering Materials

Engineering Materials
Steel containing ferrite and pearlite is

Hard and tough
Tough
Soft
Hard

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Engineering Materials
Malleability of a material can be defined as

Ability to undergo large permanent deformations in compression
Ability to undergo large permanent deformations in tension
Ability to recover its original form
All of these

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Engineering Materials
The machinability of steel is increased by

Sulphur, graphite and aluminium
Phosphorous, lead and sulphur
Silicon and sulphur
Phosphorous and aluminium

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Engineering Materials
Foundry crucible is made of

German silver
Lead
Graphite
Mild steel

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Engineering Materials
The alloying element which can replace tungsten in high speed steels is

Nickel
Molybdenum
Vanadium
Cobalt

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Engineering Materials
Which is false statement about annealing? Annealing is done to

Improve machining characteristic
Relieve stresses
Soften material
Harden steel slightly

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MORE MCQ ON Engineering Materials

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