Biochemical Engineering Questions and Answers
A set of questions and answers to test and improve your knowledge and understanding of Biochemical Engineering.
A set of questions and answers to test and improve your knowledge and understanding of Biochemical Engineering.
When temporary hard water is boiled, one of the substances formed is
calcium bicarbonate
calcium sulfate
hydrogen chloride
carbon dioxide
Correct answer is D
No explanation has been provided for this answer.
The activated sludge process is sometimes referred as
fluid bed biological oxidation system
fixed bed biological oxidation system
turning bed biological oxidation system
none of the above
Correct answer is A
No explanation has been provided for this answer.
The activated sludge process consists of returning a portion of the clarifier
effluent water entering the reactor
influent water coming out of the reactor
influent water entering the reactor
effluent water coming out of the reactor
Correct answer is C
No explanation has been provided for this answer.
The purest form of naturally occurring water is
rain water
river water
pond water
well water
Correct answer is A
No explanation has been provided for this answer.
From the following sanitizers which one comes under category of surface active agents?
Tetra phosphate
Teepol
Meta phosphate
None of these
Correct answer is B
No explanation has been provided for this answer.
Temporary hardness of water may be removed by adding
calcium hydroxide
calcium carbonate
calcium chloride
sodium bicarbonate
Correct answer is A
No explanation has been provided for this answer.
Lagoons may be characterized as
anaerobic
facultative
aerated
all of these
Correct answer is D
No explanation has been provided for this answer.
Both temporary and permanent hardness of water can be removed on boiling water with
calcium hydroxide
sodium carbonate
calcium oxide
calcium carbonate
Correct answer is B
No explanation has been provided for this answer.
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