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Engineering Materials

Engineering Materials
Steel with __________ carbon is known as hypo-eutectoid steel.

Above 0.8%
0.008
Below 0.8%
None of these

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Engineering Materials
Steel made from phosphate iron is

Brittle
Ductile
Hard
Tough

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Engineering Materials
Corrosion resistance of steel is increased by addition of

Tungsten, molybdenum, vanadium, chromium
Chromium and nickel
Vanadium, aluminium
Sulphur, phosphorus, lead

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Engineering Materials
The ratio of the volume occupied by the atoms to the total volume of the unit cell is called

Coordination number
Space lattice
None of these
Atomic packing factor

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Engineering Materials
Isotropic materials are those which have the same

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

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Engineering Materials
For the allotropic forms of iron, the points of arrest are

The points where no further change occurs
The points where there is no further flow of metal
The points of discontinuity
Constant for all metals

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