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Chemical Engineering - Materials and Construction

Exercise : Materials and Construction - Section 2
11.
Lead
is the hardest metal in common use.
is the lightest metal in common use.
can not be scratched by finger nails.
can not be work hardened.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Photographic plates are coated with
silver nitrate
silver halide
calcium silicate
metallic silver
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Cast iron has
very high tensile strenth.
high ductility.
high malleability.
elastic limit close to ultimate breaking strength.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Locomotive boiler tubes are made of __________ alloys.
arsenic copper
magnesium
aluminium
nickel
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Slow and progressive deformation of a material with time under constant stress is called
creep
erosion
resilience
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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