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4.1 Saturated steam at 300°C is used to heat a counter currently flowing stream of methanol vapour from 65°C to 260°C in an adiabatic heat exchanger. The flow rate of the methanol is 5500 standard litres per minute, and the steam condenses and leaves the heat exchanger as liquid water at 90°C.4.1.1 Calculate the required flow rate of the entering steam in m3 /min. (10)4.1.2 Calculate the rate of heat transfer from the water to the methanol (kW). (5)
Assuming adiabatic operation and negligible changes in kinetic and potential energies, determine the turbine efficiency, i.e., the ratio of actual work of the turbine to the work of a turbine operating isentropically from the same initial conditio..
determine the migration velocity anf efficiency of separation for 0.1 micron particles.
Sulfuric acid contains two acidic hydrogens. Explain in detail how you arrived and your answer and list every step in the solution process.
explain how a supercritical flow changes to a subcritical flow. You may need to refer text books and web pages to answer this question.
Design a storage and feed system for the sorbitol powder. Sorbitol has average bulk density 1.48 kg/liter, and can be assumed to have an average particle size of 200 μm.
List in detail all information and data necessary to determine if a proposed tube diameter and gauge number would be satisfactory.
What is the resultant force of the entire system? What are the magnitude and direction of acceleration of the weights?
A solution that contains nitromethane in acetonitrile is heated at constant pressure of 1 bar until the first bubble appears. If the temperature at this point is 85 °C, what is the composition of the original solution?
Calculate the flow rates of burets Y and Z. Assume the flow rates remain constant during the experiment.
What is the maximum efficiency of a steam engine operating between 20° C and the boiling point of water, 100 °C, at one atmosphere?
What is the magnetic vector potential at the center of each loop? Hint. Use Cartesian rather than cylindrical coordinates for the integration for both loops.
A first order reaction requires two equal sized CSTR. The conversion is 1. more when they are connected in series. 2. less when they are connected in series.
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