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Chemical Engineering - Materials and Construction

Exercise : Materials and Construction - Section 9
16.
Addition of lead, sulphur and phosphorus to low carbon steel helps in improving its
corrosion resistance
tensile strength
machinability
compressive strength
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Maximum consumption of copper is in
utensil manufacture.
electrical industry.
industrial equipment manufacture.
small scale industries.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Maximum carbon content in cast iron is __________ percent.
3.8
5.2
4.8
4.3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Manganese in steel affects its
ductility
tensile strength
hardness
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Lead lined equipments & vessels are suitable for handling
hydrochloric acid (10%).
nitric acid.
sulphuric acid upto 60°C.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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