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Engineering Materials

Engineering Materials
The hardness of steel increases if it contains

Austenite
Cementite
Pearlite
Martensite

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Engineering Materials
Addition of silicon to aluminium results in

One of the best known age and precipitation hardening systems
Improvement of casting characteristics
Improving machinability
Improvement of corrosion resistance

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

Metallurgical microscope
X-ray techniques
Optical microscope
Naked eye

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Engineering Materials
The property of a material due to which it breaks with little permanent distortion, is called

Plasticity
Ductility
Brittleness
Malleability

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Engineering Materials
The alloying element which can replace tungsten in high speed steels is

Nickel
Vanadium
Cobalt
Molybdenum

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Engineering Materials
Muntz metal contains copper and zinc in the ratio of

0.88888888888889
2.5277777777778
40 : 60
2.1180555555556

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MORE MCQ ON Engineering Materials

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