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Engineering Materials

Engineering Materials
The property of a material due to which it breaks with little permanent distortion, is called

Malleability
Plasticity
Brittleness
Ductility

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Engineering Materials
In compression, a prism of brittle material will break

In direction perpendicular to application of load
By crushing into thousands of pieces
By forming a bulge
By shearing along oblique plane

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Engineering Materials
Balls for ball bearings are made of

Carbon-chrome steel
Stainless steel
Cast iron
Mild steel

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Engineering Materials
Following elements have face-centered cubic structure

A iron (below 910°C and between 1400 to 1539°C), W
All of these
Gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt
Mg, Zn, Ti, Zr, Br, Cd

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Engineering Materials
Steel made from phosphate iron is

Ductile
Tough
Hard
Brittle

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Engineering Materials
Machining properties of steel are improved by adding

Vanadium, aluminium
Sulphur, lead, phosphorous
Chromium, nickel
Silicon, aluminium, titanium

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