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Engineering Materials

Engineering Materials
German silver contains

2% silver
No silver
5% silver
1% silver

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Engineering Materials
Which is false statement about annealing? Annealing is done to

Soften material
Relieve stresses
Harden steel slightly
Improve machining characteristic

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

X-ray techniques
Optical microscope
Naked eye
Metallurgical microscope

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Engineering Materials
Quenching is not necessary when hardening is done by

Flame hardening
Case hardening
Nitriding
Any one of these

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Engineering Materials
Gun metal contains

85 - 92% copper and rest tin with little lead and nickel
70 - 78% copper and rest tin
70% copper and 30% zinc
90% copper and 10% tin

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Engineering Materials
White cast iron contains carbon in the form of

Cementite
Free carbon
White carbon
Graphite

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MORE MCQ ON Engineering Materials

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