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Engineering Materials

Engineering Materials
The hardness of steel increases if it contains

Martensite
Austenite
Cementite
Pearlite

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Engineering Materials
Isotropic materials are those which have the same

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

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Engineering Materials
Which of the following elements does not impart hardness to steel?

Copper
Nickel
Silicon
Chromium

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Engineering Materials
Blast furnace is used to produce

Pig iron
Steel
Wrought iron
Cast iron

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Engineering Materials
The usual composition of a soldering alloy is

Tin, lead and small percentage of antimony
Tin and copper
Tin, lead and silver
Tin and lead

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Engineering Materials
The material in which the atoms are arranged regularly in some directions but not in others, is called

Crystalline material
Mesomorphous material
None of these
Amorphous material

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