Q1. A plant has two process hot streams (H₁ and H₂), two process cold streams (C1 and C2), a heating utility (HU₁), and a cooling utility (CU₁). The problem data are given in Table 1. A value of A7min -10°F is used. Using graphical and algebraic techniques, determine the minimum heating and cooling requirements for the problem. TABLE 1. STREAM DATA FOR PROBLEM 1 Stream Flowratex specific Supply heat (Btu/h °F) Target Enthalpy change temperature (°F) temperature (°F) (10³ Btu/h) H₁ 1000 250 120 130 H₂ 4000 200 100 400 HU₁ ? 280 250 ? 3000 90 150 -180 C2 6000 130 190 -360 CU₁ ? 60 80 ?

Q7 Define the view factors F1₂

What is meant by a group method?

What are the ideal flow-pattern models?

write a note on 2 Dimensional Defects(All of them), Electron Microscope(TEM, SEM, STM) support your writing with pictures

What is the best method for estimating the distribution of nonkey components at the actual (operating) reflux?

2. A 1 L, 100 g (dry weight) sample is removed from a continuous crystallizer which is operated with a residence time of 1000 s. The following particle size distribution is obtained for the sample: i) Size range (um) Mass (g) 200- 300- 400 500 600-700- 800- 300 400 500 600 700 800 900 0- 100- 100 200 2.5 26.0 30.0 21.0 12.0 6.0 2.0 0.5 0.0 Microscopy based on the sieve fractions has found that a volumetric shape correction factor, ky, of 0.52, for the crystal population and the crystal density has been found to be 2000 kg/m³ Determine whether the MSMPR model describes the system. If it does so, then determine the growth and nucleation rates for this system; if it does not, suggest why reasons that may cause deviation of this CSTR type crystallizer from the MSMPR model.

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Solve the percent error column

What is the HETP?