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Chemical Engineering - Materials and Construction

Exercise : Materials and Construction - Section 2
26.
The fermentor used for the production of ethyl alcohol from molasses is made of
wood
concrete
copper bearing steel
procelain
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Super conductors are those substances, which
offer no resistance to current flow.
conduct electricity at low temperature.
offer high resistance to current flow.
conduct electricity at high temperature.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Cermets are used for making
cutting tools
abrasives
both (a) & (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
The formation of oxide film on a metal due to atmospheric exposure reduces its
toughness
stiffness
creep limit
all (a), (b) & (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
A hardened steel essentially contains
sorbite
troostite
martensite
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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