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Ethanol Production

Ethanol Production
Which of the following is used for aeration in a fermentor?

Impeller
All of these
Sparger
Baffles

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Ethanol Production
Candida utilis is used for the fermentation of waste sulphate liquor since it ferments

pentoses only
none of these
both hexoses and pentoses
hexoses only

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Ethanol Production
What are different substrates used for ethanol production?

All of these
Waste product from wood or processed wood
Starch containing substrate
Juices from sugarcane or molasses or sugar beet

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Ethanol Production
The Zygomonas has a merit over yeast because

it has more specific growth rate
it has high tolerance to ethanol
All of these
it has more osmotic tolerance to higher sugar concentration

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Ethanol Production
Which of the following organism is not used in any of the traditional industrial fermentation?

Pseudomonas
Bacillus
Yeast
E. coli

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Ethanol Production
Which of the following is used to check vortex and to improve aeration efficiency in a fermentor?

Sparger
Baffles
Impeller
All of these

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