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Engineering Materials

Engineering Materials
Dye penetrant method is generally used to locate

Surface defects
Superficial defects
Core defects
Temporary defects

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

Nickel
Chromium
Copper
Silicon

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Engineering Materials
Hardness of martensite is about

RC 48
RC 57
RC 65
RC 80

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Engineering Materials
Phosphor bronze contains

0.5% of phosphorous
None of these
2.5% phosphorous
1% phosphorous

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Engineering Materials
The cupola is used to manufacture

Steel
Cast iron
Pig iron
Wrought iron

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Engineering Materials
Aluminium bronze contains aluminium and copper in the ratio of

0.47916666666667
2.1180555555556
40 : 60
2.5277777777778

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