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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 18
46.
Which of the following has rotten eggy smell ?
Hydrogen sulphide
Styrene
Phenol
Dimethyl amine
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
Freezing of 35% oleum during its shipment in winter is avoided by the addition of small amount of
hydrochloric acid
methyl alcohol
formic acid
nitric acid
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
In hot working, dynamic recovery occurs in
metals of low stacking fault energy.
metals of high stacking fault energy e.g. α-iron.
single crystal of Ni-based superalloys.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
Which of the following manufacturing processes produces the strongest components ?
Forging
Cold rolling
Hot rolling
Die casting
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Cast iron compared to steel is better in
ductility
strength
malleability
fluidity & castability
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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