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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 3
26.
Dephosphorisation of molten pig iron is favoured by
oxidising and basic slag.
reducing and basic slag.
high activity co-efficient of phosphorous in metal.
oxidising and neutral slag.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
In a neutral solution
H+ ions are absent.
OH- ions are absent.
both H+ and OH- ions are present in very small but equal concentration.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Which of the following commonly used condenser tube materials has the lowest thermal conductivity?
Admirability brass.
Stainless steel.
Aluminium brass.
Titanium.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Strain hardening effect in a metal subjected to cold working is due to the __________ mechanism.
fracture
dislocation
slip
twinning
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
A common disinfectant used in village wells for disinfection of water is
free chlorine
bromine
iodine
potassium permanganate
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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