Engineering, 26.03.2020 23:01 schoolgirl61
Suspension cultures of Panax ginseng plant cells are used to produce ginseng biomass for the health tonic market. The cells are grown in batch culture in a 2500-litre stirred bioreactor operated at 25C and 1 atm pressure. Over a period of 12 days, 5.53106 litres of air at 25C and 1 atm are pumped into the reactor; off-gas containing 5.13105 litres of oxygen leaves the vessel over the same period. About 135 kg of water is lost by evaporation during the culture. Estimate the cooling requirements.
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Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.
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Engineering, 04.07.2019 18:10
Which of the following ziegler nichols tuning methods the response of the controller to a step input should exhibit an s-shaped curve? a)-open loop mode b)-closed loop mode c)-both modes (open & closed) d)-none of the modes (open & closed)
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Engineering, 04.07.2019 19:10
A)-explain briefly the importance of standards in engineering design. b)- what is patent? c)-explain the relationship between these standards: b.s. and b.s.en d)- in engineering design concepts, types of loads and how they act are important factors. explain.
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Suspension cultures of Panax ginseng plant cells are used to produce ginseng biomass for the health...
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