During development of a somatic embryo from a single superficial cell of the explant, the cells of this meristematic mass continue to divide to give rise to the various stages of SEs. Which of the following is considered correct for the development of SEs?

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#Question id: 41053

#Unit 12. Biochemical Engineering

Q. According to Fourier's law of heat conduction, the heat flux (𝑱𝒒) through a medium is related to the temperature gradient (𝜵𝑻). Which of the following equations correctly represents this constitutive relationship?

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#Question id: 41054

#Unit 12. Biochemical Engineering

Q. Consider heat flow across a biological tissue layer that behaves according to Fourier's law (𝑱𝒒=−𝒌𝜵𝑻). If the tissue undergoes a physiological change such that its thermal conductivity (𝒌) doubles, but the temperature gradient (𝜵𝑻) across the tissue is reduced to half of its original value, how will the new heat flux (𝑱𝒒′) compare to the initial heat flux (𝑱𝒒)?

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#Question id: 41055

#Unit 12. Biochemical Engineering

Q. In the constitutive equation for heat conduction, 𝑱𝒒=−𝒌𝜵𝑻, what is the physical significance of the negative sign?

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#Question id: 21414

#Unit 12. Biochemical Engineering

A fermentation medium is being cooled from 70⁰ to 32⁰ in a double pipe heat exchanger. Cooling fluid flowing counter currently with this stream is heated from 20⁰ to 46⁰ . The log mean temperature difference (in⁰ ) for the two streams is:

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#Question id: 20573

#Unit 12. Biochemical Engineering

A substrate is consumed in a zero order reaction such that the concentration falls from 40 g/l to 20 g/l in 4 h. How long will it take the substrate to fall from 20 g/l to 2 g/l:

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#Question id: 21049

#Unit 12. Biochemical Engineering

Which one of the statements given below is NOT true? Equilibrium constant (K) of a chemical reaction at a specific temperature can be determined if the: