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Chemical Engineering - Materials and Construction

Exercise : Materials and Construction - Section 9
31.
Hydrochloric acid is stored in a__vessel.
lead lined steel
rubber lined steel
stainless steel
cast iron
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Brass tubes are used in the manufacture of tubes of evaporators used in sugar and salt industries, mainly because of its
high co-efficient of thermal expansion.
low thermal conductivity.
high corrosion resistance.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Pick out the wrong statement.
Alloys are harder than their component elements.
Presence of silicon in steel decreases its electrical resistance.
Karbate is an acid resistant material of construction.
Nichrome, a steel alloyed with 10% Ni and 20% Cr can be used upto a temperature of 1100°C.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
Ferric stainless steels compared to austenitic stainless steels
have lower corrosion resistance.
are harder to fabricate.
are less ductile and hence less suitable for cold pressing.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Liners of a ball mill are never made of
lead
alloy steel
rubber or ceramic material
cast iron
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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