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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 10
31.
Use of hydrated lime in water treatment
before filtration, reduces the bacterial load on filters.
after filtration, combats the corrosive-ness of water due to the presence of O2 & CO2.
is to adjust the pH value.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Higher vicosity index of a lubricating oil denotes
less changes in fluidity of oil with temperature.
substantially high change in fluidity of oil with temperature.
its unsuitability under varying temperature conditions .
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Le-Blanc process is a primitive process for the manufacture of
caustic soda
soda ash
bromine from sea water
hydrochloric acid
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?
500°C
750°C
1000°C
1500°C
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Cement setting under water employs a/an __________ process.
hydration
decomposition
oxidation
reduction
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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