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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 12
36.
Fermentator temperature during production of alcohol from molasses is around __________ °C.
5
30
150
300
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Which of the following coals has the highest calorific value ?
Lignite
Sub-bituminous
Anthracite
Peat
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Which of the following is not an abrasive material ?
Bakelite
Pumice
Corundum
Carborundum
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Pick out the wrong statement.
Hard glass which is used for making laboratory glass wares is a mixture of sodium borosilicate and aluminium borosilicate.
Glass is decolorised during its manufac-ture by adding antimony oxide, mangnese dioxide or arsenic oxide.
Ordinary glass is represented chemically by Na2O . CaO . 6SiO2.
Red color is imparted to glass by addition of arsenic oxide.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Finely ground calcium aluminate & silicate is a/an
cermet
cement
abrasive
explosive
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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