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.
Permanent hardness of water may be removed by the addition of
lime
soda ash
potassium permagnate
sodium bicarbonate
Correct answer is B
No explanation has been provided for this answer.
The ultimate source of water is
rivers and lakes
dew and forest
rain and snow
underground and surface
Correct answer is C
No explanation has been provided for this answer.
Sedimentation is a physical process used in wastewater treatment to
remove particles that are less dense than water
remove particles that are more dense than water
remove the pertinacious material from the water
none of the above
Correct answer is B
No explanation has been provided for this answer.
Biological oxidation processes usually referred as biological treatment, are the most common form of
primary treatment
secondary treatment
tertiary treatment
all of these
Correct answer is B
No explanation has been provided for this answer.
Which of the following substances are commonly used in a filter?
Charcoal
Sand
Both (a) and (b)
Aluminum chloride
Correct answer is C
No explanation has been provided for this answer.
Sanitizers used for rubber made equipments are
strong acids
strong alkalis
combination of both
none of these
Correct answer is B
No explanation has been provided for this answer.
Inhibitors are used along with sanitizer to
improve their action
to prevent corrosion
both (a) and (b)
none of these
Correct answer is B
No explanation has been provided for this answer.
The common method(s) used for disinfection in waste water treatment plants are
chlorination
UV light
both (a) and (b)
Phenolic solvent
Correct answer is C
No explanation has been provided for this answer.
Sanitizer used specifically for vitreous enamel are
strong alkalis
strong acids
weak alkali with sodium silicate
none of these
Correct answer is C
No explanation has been provided for this answer.
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