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Chemical Engineering - Materials and Construction

Exercise : Materials and Construction - Section 10
6.
Tin base and lead base alloys are used for bearing materials. Tin compared to lead has lower
price.
corrosion resistance.
thermal conductivity.
abundant availability.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Metal at the top of the electromotive series is
least active
most stable
most active
most noble
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Fatigue failure of a material may occur, when it is subjected to __________ stress.
fluctuating
tensile
compressive
torsion
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously.
bismuth
arsenic
antimony
both (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
High speed steel should have high
toughness
wear resistance
hardenability
both(b) & (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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