GATE2016-55

Milicevic3306 asked Mar 26, 2018 • edited Dec 6, 2020 by go_editor

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Milicevic3306 asked Mar 26, 2018

GATE2016-20
The power required for agitation of non-aerated medium in fermentation is ___________kW. Operating conditions are as follows: Fermentor diameter $= 3$ m Number of impellers $= 1$ Mixing speed $= 300$ rpm Diameter of the Rushton turbine $= 1$ m Viscosity of the broth $= 0.001$ Pa.s Density of the broth $= 1000$ kg.m$^{-3}$ Power number $= 5$

The power required for agitation of non-aerated medium in fermentation is ___________kW.Operating conditions are as follows:Fermentor diameter $= 3$ mNumber of impellers ...

Milicevic3306

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GATE2016-34
A crossing was performed between the genotypes $\textit{DdEeFfgg}$ and $\textit{ddEeFfGg}$. Assuming that the allelic pairs of all genes assort independently, the proportion of progeny having the genotype $\textit{ddeeffgg}$ is expected to be _______ $\%$

A crossing was performed between the genotypes $\textit{DdEeFfgg}$ and $\textit{ddEeFfGg}$. Assuming that the allelic pairs of all genes assort independently, the proport...

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Milicevic3306 asked Mar 26, 2018

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Milicevic3306 asked Mar 26, 2018

GATE2016-46
The empirical formula for biomass of an unknown organism is $CH_{1.8}O_{0.5}N_{0.2}$. To grow this organism, ethanol $(C_2H_5OH)$ and ammonia are used as carbon and nitrogen sources, respectively. Assume no product formation other than biomass. To produce $1$ mole of biomass from $1$ mole of ethanol, the number of moles of oxygen required will be __________

The empirical formula for biomass of an unknown organism is $CH_{1.8}O_{0.5}N_{0.2}$. To grow this organism, ethanol $(C_2H_5OH)$ and ammonia are used as carbon and nitro...

Milicevic3306

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Milicevic3306 asked Mar 26, 2018

GATE2016-47
$\textit{Saccharomyces cerevisiae}$ is cultured in a chemostat (continuous fermentation) at a dilution rate of $0.5 \: h^{-1}$. The feed substrate concentration is $10 \: g \cdot L^{-1}$. The biomass concentration in the chemostat at steady state will be _________ $g \cdot L^{-1}$. ... $K_s = 0.3 \: g \cdot L^{-1}$ and $s$ is substrate concentration $(g \cdot L^{-1})$.

$\textit{Saccharomyces cerevisiae}$ is cultured in a chemostat (continuous fermentation) at a dilution rate of $0.5 \: h^{-1}$. The feed substrate concentration is $10 \:...

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Milicevic3306 asked Mar 26, 2018

GATE2016-48
Decimal reduction time of bacterial spores is $23$ min at $121 ^\circ C$ and the death kinetics follow first order. One liter medium containing $10^5$ spores per $mL$ was sterilized for $10$ min at $121^\circ C$ in a batch sterilizer. ... in the medium after sterilization (assuming destruction of spores in heating and cooling period is negligible) will be _________ $\times 10^7$.

Decimal reduction time of bacterial spores is $23$ min at $121 ^\circ C$ and the death kinetics follow first order. One liter medium containing $10^5$ spores per $mL$ was...

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Milicevic3306 asked Mar 26, 2018

GATE2016-55

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