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Chemical Engineering - Materials and Construction

Exercise : Materials and Construction - Section 10
21.
Graphite is corroded by
sulphuric acid (10%)
sea water
hydrochloric acid
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Carbon is present in the uncombined (graphitic) form in case of
cast iron
steel
ferroalloy
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
Among the tin containing alloys, __________ consumes the maximum amount of tin.
solder
white metal
pewter matal
bronzes
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
The hardest material just prior to diamond in Mhos scale is
topax
carborundum
corrundum
calcite
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
The damage/deterioration of metals by the __________ action of fluids is called 'erosion'.
abrasive
corrosive
both (a) & (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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