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Engineering Materials

Engineering Materials
Eutectoid steel contains following percentage of carbon

0.0063
0.0002
0.008
0.003

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Engineering Materials
Crystal structure of a material is, generally, examined by

Metallurgical microscope
Naked eye
Optical microscope
X-ray techniques

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Engineering Materials
Eutectoid reaction occurs at

1147°C
600°C
1493°C
723°C

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Engineering Materials
Acidic solution is one which has pH value

pH value has nothing to do with neutral solution
Equal to 7
Less than 7
Greater than 7

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Engineering Materials
Chromium when added to steel _________ the tensile strength.

None of these
Decreases
Does not effect
Increases

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Engineering Materials
Wrought iron

All of these
Is a ductile material
Cannot stand sudden and excessive shocks
Can be easily forged or welded

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