Power number is expressed as
Question: Power number is expressed as
[A].
P0 / N2Di3ρ
P0 / N3Di5ρ
P0 / N3Di3ρ
P0 / N2Di2ρ
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
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Which of the following is not considered among the three best-known theories of interphase mass transfer?
Question: Which of the following is not considered among the three best-known theories of interphase mass transfer?
[A].two-film theory [B].
penetration theory [C].
surface renewal theory [D].
Calderbank and Moo-Young theory Answer: Option D
Explanation:
No answer description available for this question.
Glass fibers are favorable as a filter medium because they give a
Question: 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 Answer: Option A
Explanation:
No answer description available for this question.
Bioreactors, where vortex is formed, another dimensionless number, __________ is useful.
Question: Bioreactors, where vortex is formed, another dimensionless number, __________ is useful.
[A].Stanton [B].
Rayleigh [C].
Bond [D].
Froude Answer: Option D
Explanation:
No answer description available for this question.
On a glucose medium, the growth of an organism is characterized by the following Monod model and stoichiometric parameters μm = 0.3 h-1, Ks =0.05 g.l-1 and Yxs = 0.3 g.g-1 When this organism is grown in a 2 litre continuous on a medium containing 10 g.l-1 of glucose added at 1 l.h-1, the steady state concentration of biomass in the reactor will be
Question: On a glucose medium, the growth of an organism is characterized by the following Monod model and stoichiometric parameters μm = 0.3 h-1, Ks =0.05 g.l-1 and Yxs = 0.3 g.g-1 When this organism is grown in a 2 litre continuous on a medium containing 10 g.l-1 of glucose added at 1 l.h-1, the steady state concentration of biomass in the reactor will be
[A].0 g.l-1 [B].
0.4 g.l-1 [C].
0.5 g.l-1 [D].
10 g.l-1 Answer: Option A
Explanation:
No answer description available for this question.
The viscous nature of a non-Newtonian fluid
Question: The viscous nature of a non-Newtonian fluid
[A].remains constant with time and power input [B].
changes with the level of power input and/or the length of time during which the fluid is mixed [C].
is similar to that of a perfect gas [D].
is similar to that of water Answer: Option B
Explanation:
No answer description available for this question.
The increased air flow rate in bubble column fermenter can cause excessive foaming and high retention of air bubbles in the column which
Question: The increased air flow rate in bubble column fermenter can cause excessive foaming and high retention of air bubbles in the column which
[A].decreases the productivity of the fermenter [B].
increases the productivity of the fermenter [C].
modestly increases the productivity of the fermenter [D].
does not affect on the productivity Answer: Option A
Explanation:
No answer description available for this question.