200 Best MCQs on sterilization- biochemical engineering
Top 200 MCQs on sterilization- Biochemical engineering
This section contains MCQs/ Objective Type Questions of Sterilization – biochemical engineering for various competetive Exams like HPPSC HPSSC HPSSSB and other exams
Q1). The sterilization method depends
a).nature of additive
b).volume and feed rate
c).both (a) and (b)
d).none of these
Correct Answer:
both (a) and (b)
Explaination:
Q2). The specific death rate of an organism can be expressed as
a).ln 2/D
b).D/ln2
c).D.ln2
d).2.0.3/ln2
Correct Answer:
ln 2/D
Explaination:
Q3). The del factor (Δ) increases as the final number of cells
a).decreases
b).increases
c).zero
d).constant
Correct Answer:
decreases
Explaination:
Q4). The filter material used for air filtration system is/are
a).glass wool
b).glass fibre
c).norite
d).all of the above
Correct Answer:
all of the above
Explaination:
Q5). The deviation from ideal plug flow due to axial mixing can be described by the
a).dispersion model
b).Langmuir model
c).Friedlander model
d).Pasceri model
Correct Answer:
dispersion model
Explaination:
Q6). The collection efficiency by diffusion increases with
a).decreasing particle size
b).decreasing air velocity
c).both (a) and (b)
d).increasing particle size
Correct Answer:
both (a) and (b)
Explaination:
Q7). Glass fibers are favorable as a filter medium because they give a
a).lower pressure drop and are less liable to wetting or combustion
b).more pressure drop and are less liable to wetting or combustion
c).lower pressure drop and are more liable to wetting or combustion
d).more pressure drop and are more liable to wetting or combustion
Correct Answer:
lower pressure drop and are less liable to wetting or combustion
Explaination:
Q8). The collection efficiency by interception increases with the
a).increasing particle diameter
b).increasing air flow velocity
c).both (a) and (b)
d).increasing particle size
Correct Answer:
increasing particle size
Explaination: