Question: The fastest route of NADH reoxidation is
[A].aerobic respiration
anaerobic respiration
fermentation
decomposition
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
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Low dissolved oxygen concentrations leads to
Question: Low dissolved oxygen concentrations leads to
[A].low biomass yields
high biomass yields
no effect on biomass yields
none of the above
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Pick out the correct statement.
Question: Pick out the correct statement.
[A].Ponchan-Savarit method is more accurate than McCabe-Thiele method to determine the number of theoretical stages required for the separation of non-ideal binary system by distillation.
A sharp decrease in pressure drop is an indication of flooding in a distillation coloumn.
Solvent used in extractive distillation should be of high volatility.
Flash distillation is suitable for separating components which have very close boiling temperature.
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Yield coefficient represents
Question: Yield coefficient represents
[A].total biomass or product produced
conversion efficiency of a substrate into product
conversion rate of a substrate into biomass or product
production time of biomass or product
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
A Bacillus sp. produces an antibiotic only during the stationary phase when grown in a batch culture. If grown in a 5 litre continuous culture, the steady state productivity of the antibiotic
Question: A Bacillus sp. produces an antibiotic only during the stationary phase when grown in a batch culture. If grown in a 5 litre continuous culture, the steady state productivity of the antibiotic
[A].will increase until the culture washes out
will decrease after washout
will be zero
will be infinite
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
A continuous reactor has a dilution rate of 0.5 h-1. Its residence time would be
Question: A continuous reactor has a dilution rate of 0.5 h-1. Its residence time would be
[A].ln(2)/0.5
ln(2) x 0.5
0.5 h
2 h
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
A continuous reactor at steady state contains 0.04 g.l-1 of biomass and 0.02 g.l-1 of phenol. The feed contained 0.1 g.l-1 of phenol. The biomass yield would be
Question: A continuous reactor at steady state contains 0.04 g.l-1 of biomass and 0.02 g.l-1 of phenol. The feed contained 0.1 g.l-1 of phenol. The biomass yield would be
[A].0.4 g.g-1
0.5 g.g-1
1.0 g.g-1
5.0 g.g-1
[A].
[B].
[C].
[D].
Answer: Option B
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
0.4 g.l-1
0.5 g.l-1
10 g.l-1
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is
Question: Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is
[A].nylon-66
teflon
polyester
bakelite
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
The growth of an organism on glucose is described by the following Monod model parameters: μm = 0.5 h-1 and Ks =0.1 g.l-1, if the concentration of glucose in the feed is 10 g.l-1 and the dilution rate is set to 0.4 h-1, then the steady state concentration of glucose in the effluent will be
Question: The growth of an organism on glucose is described by the following Monod model parameters: μm = 0.5 h-1 and Ks =0.1 g.l-1, if the concentration of glucose in the feed is 10 g.l-1 and the dilution rate is set to 0.4 h-1, then the steady state concentration of glucose in the effluent will be
[A].0 g.l-1
0.5 g.l-1
1.0 g.l-1
10 g.l-1
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.