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Chemical Engineering - Materials and Construction

Exercise : Materials and Construction - Section 8
46.
Ceramic materials
are exemplified by clay and mica.
are poor electrical conductors due to lack of free electrons.
never exhibit polymorphism.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
Light weight metallic alloy used in aircraft industry is
aluminium
high silicon (14%) iron
duralumin
phosphor bronze
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Which of the following is an alloy of nickel and copper ?
Hastelloy
Duriron
Monel
Inconel
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
Gunmetal and bronze are not corroded by the action of
wet chlorine.
synthetic detergent solution.
hydrochloric acid (10%).
nitric acid (< 25%).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Atmospheric corrosion of metals result from their
slow oxidation
fast oxidation
fast hydration
slow dehydration
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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