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Chemical Engineering - Materials and Construction

Exercise : Materials and Construction - Section 1
16.
Constituents of stellite are
zinc, copper and nickel.
cobalt, chromium and tungsten.
zinc, aluminium and nickel.
nickel, cobalt and vanadium.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Residual magnetism in steel for magnets is increased by the addition of
nickel
cobalt
tungsten
chromium
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Presence of nickel in steel improves its
corrosion resistance.
cutting ability.
wear resistance.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Cementite is
Fe3C chemically.
a compound of carbon and iron.
characterised by an orthorhombic crystal structure.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Acetylene gas holder is made of
copper
cast iron
steel
monel metal
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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