Certificate In Ethanol Production Unit [First Generation]

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Certificate In Ethanol Production Unit [First Generation]

Online Examination Detail:
Duration- 60 minutes.
Number of Questions- 30. (Multiple Choice Questions).
Maximum Marks- 100, Passing Marks- 40%.
There is no negative marking.

Candidate Details

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1. Which enzyme is used to hydrolyse starch to maltose to manufacture ethanol by fermentation?

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2. What is mash made up of in the manufacture of ethanol from molasses?

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3. In ethanol, which of the following functional group is present?

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4. The most stable conformer of 2-fluoro ethanol is

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5. Which of the following is used to oxidise ethanol to ethanoic acid?

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6. In order to get ethanol from formaldehyde, which Grignard reagent is used?

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7. The pH of molasses solution in the manufacture of ethanol should be __________

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8. Ethanol is -

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9. How is air supply to the fermenter sterilized?

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10. After fermentation, ethanol is recovered by-

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11. Ethanol is produced by-

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12. The substnace not responsible for the hardness of water is-

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13. When ethanol reacts with active metals, what is formed?

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14. The byproduct of soap is-

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15. What are different substrates used for ethanol production?

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16. Which is denatured spirit?

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17. The fermenter can be sterilized by-

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18. Which among the following methods cannot be used for the manufacture of ethanol?

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19. What are the fermentation conditions for the ethanol production?

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20. An isomer of ethanol is-

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21. Methylated spirits is a mixture of-

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22. High ethanol concentration-

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23. Which of the following will have the least solubility in water?

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24. The general formula for alcohol is CnH2n+1 OH. What is the value of ‘n’ for ethanol?

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25. Which of the following can be used for the denaturation of ethyl alcohol?

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26. Alcohols are isomeric with _____.

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27. After the fermentation is over, ethanol is recovered by-

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28. Soaps are formed by saponification of-

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29. Yeast is used in the production of-

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30. Which of the following microorganisms help in the ethanol production?