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A gas-phase exothermic reaction is approved out in a multi-tube reactor with the catalyst in 1-inch. Tubes and boiling water in the jacket. The feed temperature and the jacket temperature are 240 oC. The average reactor temperature rises to 250 oC a short distance from the inlet and then gradually decreases to 241 oC at the reactor exit. The resistance to heat transfer is about equivalent divided among the bed and the film at the wall. If the tube diameter were enhanced to 1.5 in. with the similar catalyst, what should the jacket temperature be to keep the peak reactor temperature at 250 oC? Draw the temperature profiles for the two cases. What pressure steam would be generated for the two cases?
Ask question #MinimShowing results for solved problem. a horizontal cylinder tank with hemispherical ends is used to store liquid chlorine at 10 br the vessels is 4m internal diame
Projection Printing Projection printing, keep away from mask damage entirely. An image of the patterns on the mask is projected onto the resist-coated wafer, which are many cen
Saponification number: Saponification number of oil is the number of milligram of potassium hydroxide required to saponify 1 g of oil. Mineral oils are the mixture of hydrocarbons
A) A horizontal tube having a 1.25 cm outside diameter is submerged in a water 1 atm and 100 oC. Determine the heat flux for the surface temperature of (a) 540 o C, (b) 650 o C,
Explain the different types of polarization mechanisms in dielectrics. There are essentially four basic kinds of polarization mechanisms: Interface polarization: Electron
how can we improve crushing strength of 20:20
Introduction : You will recall previous study of this course about the various duties and activities of a lab staff that facilitate management of the laboratory in an efficient ma
Q. Define flash and fire points and its determination. OR Write short note on: Flash and fire points. Ans. Flash and fire points:
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Explain with suitable diagrams the atomic model of diffusion. Atomic Model of Diffusion Diffusion happens as a result of repeated jumps of atoms from their sites to other ne
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