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Engineering Materials

Engineering Materials
Hardness of martensite is about

RC 57
RC 48
RC 80
RC 65

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Engineering Materials
The metal suitable for bearings subjected to light loads, is

Silicon bronze
White metal
Phosphor bronze
Monel metal

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

X-ray techniques
Naked eye
Optical microscope
Metallurgical microscope

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Engineering Materials
High carbon steel carries carbon percentage

0.3 to 0.6%
0.1 to 0.3%
0.8 to 1.5%
0.6 to 0.8%

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Engineering Materials
Which of the following property is desirable for materials used in tools and machines?

Malleability
Ductility
Elasticity
Plasticity

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Engineering Materials
Hardness of upper bainite (acicular structure) is about

RC 57
RC 65
RC 48
RC 80

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