A liquid stream is cooled from 80°C to 30°C in a double pipe heat exchanger as illustrated below: 

Fluid flowing counter currently with this stream is heated from 15°C to 30°C. Calculate the log mean temperature difference. 

TLS Online TPP Program

#Question id: 14417

#Section 5: Bioprocess Engineering and Process Biotechnology

Which size is suitable for following, match the following?

Products	Filter Pore Diameter (nm)
I. Yeast and fungi	p. 0.6–1.2
II. Bacteria	q. 0.4–0.8
III. Antibiotics	r. 300–103
IV. Organic acid	s. 103–104

TLS Online TPP Program

#Question id: 14418

#Section 5: Bioprocess Engineering and Process Biotechnology

It is required to provide a 20-m^3 fermenter with air at a rate of 10 m^3 min ^-I for a fermentation lasting 100 hours. From an investigation of the filter material to be used, the optimum linear air velocity was shown to be 0.15 m sec^-I, at which the value of K was 1.535 cm^-I. calculate The dimensions (radius and depth) of the filter? The air in the fermentation plant contained approximately 200 micro-organisms m^-3. The acceptable degree of contamination is one in a thousand.

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TLS Online TPP Program

#Question id: 14419

#Section 5: Bioprocess Engineering and Process Biotechnology

 The equation for Del factor is  

TLS Online TPP Program

#Question id: 14420

#Section 1: Engineering Mathematics

Solve the following system of equations x — y + z = 4, x — 2y + 2z = 9 and 2x + y + 3z = 1. 

TLS Online TPP Program

#Question id: 14421

#Section 1: Engineering Mathematics

TLS Online TPP Program

#Question id: 14422

#Section 1: Engineering Mathematics

If for the non-singular matrix A, A^2 = I, then find A^-1